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Counterstrike

First there is only the sound, in darkness. Drifting on the slope of an undersea mountain, Lenie Clarke resigns herself to the imminent loss of solitude.

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She's far enough out for total blindness. Atlantis, with its gantries and beacons and portholes bleeding washed-out light into the abyss, is hundreds of meters behind her. No winking telltales, no conduits or parts caches pollute the darkness this far out. The caps on her eyes can coax light enough to see from the merest sparkle, but they can't create light where none exists. Here, none does. Three thousand meters, three hundred atmospheres, three million kilograms per square meter have squeezed every last photon out of creation. Lenie Clarke is as blind as any dryback.

After five years on the Mid Atlantic Ridge, she still likes it this way.

But now the soft mosquito whine of hydraulics and electricity rises around her. Sonar patters softly against her implants. The whine shifts subtly in pitch, then fades. Faint surge as something coasts to a stop overhead.

"Shit." The machinery in her throat turns the epithet into a soft buzz. "Already?"

"I gave you an extra half-hour." Lubin's voice. His words are fuzzed by the same technology that affects hers; by now the distortion is more familiar than the baseline.

She'd sigh, if breath were possible out here.

Clarke trips her headlamp. Lubin is caught in the ignited beam, a black silhouette studded with subtle implementation. The intake on his chest is a slotted disk, chrome on black. Corneal caps turn his eyes into featureless translucent ovals. He looks like a creature built exclusively from shadow and hardware; Clarke knows of the humanity behind the façade, although she doesn't spread it around.

A pair of squids hover at his side. A nylon bag hangs from one of the meter-long vehicles, lumpy with electronics. Clarke fins over to the other, flips a toggle from slave to manual. The little machine twitches and unfolds its towbar.

On impulse, she kills her headlight. Darkness swallows everything again. Nothing stirs. Nothing twinkles. Nothing attacks.

It's just not the same.

"Something wrong?" Lubin buzzes.

She remembers a whole different ocean, on the other side of the world. Back on Channer Vent you'd turn your lights off and the stars would come out, a thousand bioluminescent constellations: fish lit up like runways at night; glowing arthropods; little grape-sized ctenophores flashing with complex iridescence. Channer sang like a siren, lured all those extravagant midwater exotics down deeper than they swam anywhere else, fed them strange chemicals and turned them monstrously beautiful. Back at Beebe Station, it was only dark when your lights were on.

But Atlantis is no Beebe Station, and this place is no Channer Vent. Here, the only light shines from indelicate, ham-fisted machinery. Headlamps carve arid tunnels through the blackness, stark and ugly as burning sodium. Turn them off, and…nothing.

Which is, of course, the whole point.

"It was so beautiful," she says.

He doesn’t have to ask. "It was. Just don't forget why."

She grabs her towbar. "It's just—it's not the same, you know? Sometimes I almost wish one of those big toothy fuckers would charge out of the dark and try to take a bite out of me…"

She hears the sound of Lubin's squid throttling up, invisibly close. She squeezes her own throttle, prepares to follow him.

The signal reaches her LFAM and her skeleton at the same time. Her bones react with a vibration deep in the jaw: the modem just beeps at her.

She trips her receiver. "Clarke."

"Ken find you okay?" It's an airborne voice, unmutilated by the contrivances necessary for underwater speech.

"Yeah." Clarke's own words sound ugly and mechanical in contrast. "We're on our way up now."

"Okay. Just checking." The voice falls silent for a moment. "Lenie?"

"Still here."

"Just…well, be careful, okay?" Patricia Rowan tells her. "You know how I worry."

The water lightens indiscernibly as they ascend. Somehow their world has changed from black to blue when she wasn't looking; Clarke can never pinpoint the moment when that happens.

Lubin hasn't spoken since Rowan signed off. Now, as navy segues into azure, Clarke says it aloud. "You still don't like her."

"I don't trust her," Lubin buzzes. "I like her fine."

"Because she's a corpse." Nobody has called them corporate executives for years.

"Was a corpse." The machinery in his throat can't mask the grim satisfaction in that emphasis.

"Was a corpse," Clarke repeats.

"No."

"Why, then?"

"You know the list."

She does. Lubin doesn't trust Rowan because once upon a time, Rowan called shots. It was at her command that they were all recruited so long ago, damaged goods damaged further: memories rewritten, motives rewired, conscience itself refitted in the service of some indefinable, indefensible greater good.

"Because she was a corpse," Clarke repeats.

Lubin's vocoder emits something that passes for a grunt.

She knows where he's coming from. To this day, she still isn't certain what parts of her own childhood were real and which were mere inserts, installed after the fact. And she's one of the lucky ones; at least she survived the blast that turned Channer Vent into thirty square kilometers of radioactive glass. At least she wasn't smashed to pulp by the resulting tsunami, or incinerated along with the millions on N'AmPac's refugee strip.

Not that she shouldn't have been, of course. If you want to get technical about it, all those other millions were nothing but collateral. Not their fault—not even Rowan's, really—that Lenie Clarke wouldn't sit still enough to present a decent target.

Still. There's fault, and there's fault. Patricia Rowan might have the blood of millions on her hands, but after all hot zones don't contain themselves: it takes resources and resolve, every step of the way. Cordon the infected area; bring in the lifters; reduce to ash. Lather, rinse, repeat. Kill a million to save a billion, kill ten to save a hundred. Maybe even kill ten to save eleven—the principle's the same, even if the profit margin's lower. But none of that machinery runs itself, you can't ever take your hand off the kill switch. Rowan never threw a massacre without having to face the costs, and own them.

It was so much easier for Lenie Clarke. She just sowed her little trail of infection across the world and went to ground without ever looking back. Even now her victims pile up in an ongoing procession, an exponential legacy that must have surpassed Rowan's a dozen times over. And she doesn't have to lift a finger.

No one who calls himself a friend of Lenie Clarke has any rational grounds for passing judgment on Patricia Rowan. Clarke dreads the day when that simple truth dawns on Ken Lubin.

The squids drag them higher. By now there's a definite gradient, light above fading to darkness below. To Clarke this is the scariest part of the ocean, the half-lit midwater depths where real squid roam: boneless tentacled monsters thirty meters long, their brains as cold and quick as superconductors. They're twice as large as they used to be, she's been told. Five times more abundant. Apparently it all comes down to better day care. Architeuthis larvae grow faster in the warming seas, their numbers unconstrained by predators long since fished out of existence.

She's never actually seen one, of course. Hopefully she never will—according to the sims the population is crashing for want of prey, and the ocean's vast enough to keep the chances of a random encounter astronomically remote anyway. But occasionally the drones catch ghostly echoes from massive objects passing overhead: hard shouts of chitin and cartilage, faint landscapes of surrounding flesh that sonar barely sees at all. Fortunately, Archie rarely descends into true darkness.

The ambient hue intensifies as they rise—colors don't survive photoamplification in dim light, but this close to the surface the difference between capped and naked eyes is supposed to be minimal. Sometimes Clarke has an impulse to put that to the test, pop the caps right out of her eyes and see for herself, but it's an impossible dream. The diveskin wraps around her face and bonds directly to the photocollagen. She can't even blink.

Surge, now. Overhead, the skin of the ocean writhes like dim mercury. It tilts and dips and scrolls past in an endless succession of crests and troughs, twisting a cool orb glowing on the other side, tying it into playful dancing knots. A few moments later they break through the surface and look onto a world of sea and moonlit sky.

They are still alive. A three-thousand-meter free ascent in the space of forty minutes, and not so much as a burst capillary. Clarke swallows against the isotonic saline in throat and sinuses, feels the machinery sparking in her chest, and marvels again at the wonder of a breathless existence.

Lubin's all business, of course. He's maxed his squid's buoyancy and is using it as a floating platform for the receiver. Clarke sets her own squid to station-keeping and helps him set up.

They slide up and down silver swells, the moon bright enough to render their eyecaps redundant. The unpacked antennae cluster bobs on its tether, eyes and ears jostling in every direction, tracking satellites, compensating for the motion of the waves. One or two low-tech wireframes scan for ground stations.

Too slowly, signals accumulate.

The broth gets thinner with each survey. Oh, the ether's still full of information—the little histograms are creeping up all the way into the centimeter band, there's chatter along the whole spectrum—but density's way down.

Of course, even the loss of signal carries its own ominous intelligence.

"Not much out there," Clarke remarks, nodding at the readouts.

"Mmm." Lubin's slapped a mask onto his mask, diveskin hood nested within VR headset. "Halifax is still online." He's dipping here and there into the signals, sampling a few of the channels as they download. Clarke grabs another headset and strains to the west.

"Nothing from Sudbury," she reports after a few moments.

He doesn't remind her that Sudbury's been dark since Rio. He doesn't point out the vanishingly small odds of Achilles Desjardins having survived. He doesn't even ask her when she's going to give up and accept the obvious. He only says, "Can't find London either. Odd."

She moves up the band.

They'll never get a comprehensive picture this way, just sticking their fingers into the stream; the real analysis will have to wait until they get back to Atlantis. Clarke can't understand most of the languages she does sample, although moving pictures fill in a lot of the blanks. Much rioting in Europe, amidst fears that ßehemoth has hitched a ride on the Southern Countercurrent; an exclusive enclave of those who'd been able to afford the countertweaks, torn apart by a seething horde of those who hadn't. China and its buffers are still dark—have been for a couple of years now—but that's probably more of a defense against apocalypse than a surrender unto it. Anything flying within five hundred clicks of their coast still gets shot down without warning, so at least their military infrastructure is still functional.

Another M&M coup, this time in Mozambique. That's a total of eight now, and counting. Eight nations seeking to hasten the end of the world in the name of Lenie Clarke. Eight countries fallen under the spell of this vicious, foul thing that she's birthed.

Lubin, diplomatically, makes no mention of that development.

Not much from the Americas. Emergency broadcasts and tactical traffic from CSIRA. Every now and then, some apocalyptic cult preaching a doctrine of Proactive Extinction or the Bayesian Odds of the Second Coming. Mostly chaff, of course; the vital stuff is tightbeamed point-to-point, waves of focused intel that would never stray across the surface of the empty mid-Atlantic.

Lubin knows how to change some of those rules, of course, but even he's been finding it tough going lately.

"Ridley's gone," he says now. This is seriously bad news. The Ridley Relay's a high-security satwork, so high that even Lubin's clearance barely gets him into the club. It's one of the last sources of reliable intel that Atlantis has been able to tap into. Back when the corpses thought they were headed for escape instead of incarceration, they left behind all sorts of untraceable channels to keep them up to speed on topside life. Nobody's really sure why so many of them have gone dark in the past five years.

Then again, nobody's had the balls to keep their heads above water for more than a few moments to find out.

"Maybe we should risk it," Clarke muses. "Just let it float around up here for a few days, you know? Give it a chance to collect some real data. It's a square meter of hardware floating around a whole ocean; really, what are the odds?"

High enough, she knows. There are still plenty of people alive back there. Many of them will have faced facts, had their noses rubbed in the imminence of their own extinction. Some few might have set aside a little time to dwell on thoughts of revenge. Some might even have resources to call on—if not enough to buy salvation, then maybe enough for a little retribution. What happens if the word gets out that those who set ßehemoth free in the world are still alive and well and hiding under three hundred atmospheres?

Atlantis'scontinued anonymity is a piece of luck that no one wants to push. They'll be moving soon, leaving no forwarding address. In the meantime they go from week to week, poke intermittent eyes and ears above the waterline, lock onto the ether and squeeze it for whatever signal they can.

It was enough, once. Now, ßehemoth has laid so much to waste that even the electromagnetic spectrum is withering into oblivion.

But it's not as though anything's going to attack us in the space of five minutes, she tells herself—

—and in the next instant realizes that something has.

Little telltales are spiking red at the edge of her vision: an overload on Lubin's channel. She ID's his frequency, ready to join him in battle—but before she can act the intruder crashes her own line. Her eyes fill with static: her ears fill with venom.

"Don't you fucking dare try and cut me out, you miserable cocksucking stumpfuck! I'll shred every channel you try and open. I'll sink your whole priestly setup, you maggot-riddled twat!"

"Here we go again." Lubin's voice seems to come from a great distance, some parallel world where long gentle waves slap harmlessly against flesh and machinery. But Clarke is under assault in this world, a vortex of static and swirling motion and—oh God, please not—the beginnings of a face, some hideous simulacrum distorted just enough to be almost unrecognizable.

Clarke dumps a half-dozen buffers. Gigabytes evaporate at her touch. In her eyephones, the monster screams.

"Good," Lubin's tinny voice remarks from the next dimension. "Now if we can just save—"

"You can't save anything!" the apparition screams. "Not a fucking thing! You miserable fetusfuckers, don't you even know who I am?"

Yes, Clarke doesn't say.

"I'm Lenie Clar—"

The headset goes dark.

For a moment she thinks she's still spinning in the vortex. This time, it's only the waves. She pulls the headset from her skull. A moon-pocked sky rotates peacefully overhead.

Lubin's shutting down the receiver. "That's that," he tells her. "We lost eighty percent of the trawl."

"Maybe we could try again." She knows they won't. Surface time follows an unbreakable protocol; paranoia's just good sense these days. And the thing that downloaded into their receiver is still out there somewhere, cruising the airwaves. The last thing they want to do is open that door again.

She reaches out to reel in the antennae cluster. Her hand trembles in the moonlight.

Lubin pretends not to notice. "Funny," he remarks, "it didn't look like you."

After all these years, he still doesn't know her at all.

They should not exist, these demons that have taken her name. Predators that wipe out their prey don't last long. Parasites that kill their hosts go extinct. It doesn't matter whether wildlife is built from flesh or electrons, Clarke's been told; the same rules apply. They've encountered several such monsters over the past months, all of them far too virulent for evolutionary theory.

Maybe they just followed my lead, she reflects. Maybe they keep going on pure hate.

They leave the moon behind. Lubin dives headfirst, pointing his squid directly into the heart of darkness. Clarke lingers a bit, content to drift down while Luna wriggles and writhes and fades above her. After a while the moonlight loses its coherence, smears across the euphotic zone in a diffuse haze, no longer illuminates the sky but rather becomes it. Clarke nudges the throttle and gives herself back to the depths.

By the time she catches up with Lubin the ambient light has failed entirely; she homes in on a greenish pinpoint glow that resolves into the dashboard of her companion's squid. They continue their descent in silent tandem. Pressure masses about them. Eventually they pass the perimeter checkpoint, an arbitrary delimiter of friendly territory. Clarke trips her LFAM to call in.

No one answers.

It's not that no one's online. The channel's jammed with voices, some vocoded, some airborne, overlapping and interrupting. Something's happened. An accident. Atlantis demands details. Mechanical rifter voices call for medics at the eastern airlock.

Lubin sonars the abyss, gets a reading. He switches on his squidlight and peels down to port. Clarke follows.

A dim constellation traverses the darkness ahead, barely visible, fading. Clarke throttles up to keep pace; the increased drag nearly peels her off the squid. She and Lubin close from above and behind.

Two trailing squids, slaved to a third in the lead, race along just above the seabed. One of the slaves moves riderless. The other drags a pair of interlinked bodies through the water. Clarke recognizes Hannuk Yeager, his left arm stretched almost to dislocation as he grips his towbar one-handed. His other hooks around the chest of a black rag doll, life-size, a thin contrail of ink swirling in the wake of its passage.

Lubin crosses to starboard. The contrail flushes crimson in his squidlight.

Erickson, Clarke realizes. Out on the seabed, a dozen familiar cues of posture and motion distinguish one person from another; rifters only look alike when they're dead. It's not a good sign that she's had to fall back on Erickson's shoulder tag for an ID.

Something's ripped his diveskin from crotch to armpit; something's ripped him, underneath it. It looks bad. Mammalian flesh clamps tight in ice-water, peripheral blood-vessels squeeze down to conserve heat. A surface cut wouldn't bleed at 5°C. Whatever got Erickson, got him deep.

Grace Nolan's on the lead squid. Lubin takes up position just behind and to the side, a human breakwater to reduce the drag clawing at Erickson and Yeager. Clarke follows his lead. Erickson's vocoder tic-tic-tics with pain or static.

"What happened?" Lubin buzzes.

"Not sure." Nolan keeps her face forward, intent on navigation. "We were checking out an ancillary seep over by the Lake. Gene wandered around an outcropping and we found him like this a few minutes later. Maybe he got careless under an overhang, something tipped over on him."

Clarke turns her head sideways for a better view; the muscles in her neck tighten against the added drag. Erickson's flesh, exposed through the tear in his diveskin, is fish-belly white. It looks like gashed, bleeding plastic. His capped eyes look even deader than the flesh beneath his 'skin. He gibbers. His vocoder cobbles nonsense syllables together as best it can.

An airborne voice takes the channel. "Okay, we're standing by at Four."

The abyss ahead begins to brighten: smudges of blue-gray light emerge from the darkness, their vertices hinting at some sprawled structure in the haze behind. The squids cross a power conduit snaking along the basalt; its blinking telltales fade to black on either side. The lights ahead intensify, expand to diffuse haloes suffusing jumbled Euclidean silhouettes.

Atlantis resolves before them.

A couple of rifters wait at Airlock Four, chaperoned by a pair of corpses lumbering about in the preshmesh armor that drybacks wear when they venture outside. Nolan cuts power to the squids. Erickson raves weakly in the ensuing silence as the convoy coasts to rest. The corpses take custody, maneuver the casualty towards the open hatch. Nolan starts after them.

One of the corpses blocks her with a gauntleted forearm. "Just Erickson."

"What are you talking about?" Nolan buzzes.

"Medbay's crowded enough as it is. You want him to live, give us room to work."

"Like we're going to trust his life to you lot? fuck that." Most of the rifters have long since had their fill of revenge by now, grown almost indifferent to their own grudges. Not Grace Nolan. Five years gone and still the hatred sucks at her tit like some angry, insatiable infant.

The corpse shakes his head behind the faceplate. "Look, you have to—"

"No sweat," Clarke cuts in. "We can watch on the monitor."

Nolan, countermanded, looks at Clarke. Clarke ignores her. "Go on," she buzzes at the corpses. "Get him inside."

The airlock swallows them.

The rifters exchange looks. Yeager rolls his shoulders as if just released from the rack. The airlock gurgles behind him.

"That wasn't a collapsed outcropping," Lubin buzzes.

Clarke knows. She's seen the injuries that result from rockslides, the simple collision of rocks and flesh. Bruises. Crushed bones. Blunt force trauma.

Whatever did this, slashed.

"I don't know," she says. "Maybe we shouldn't jump to conclusions."

Lubin's eyes are lifeless blank spots. His face is a featureless mask of reflex copolymer. Yet somehow, Clarke gets the sense that he's smiling.

"Be careful what you wish for," he says.

The Shiva Iterations

Feeling nothing, she screams. Unaware, she rages. Her hatred, her anger, the vengeance she exacts against anything within reach—rote pretense, all of it. She shreds and mutilates with all the self-awareness of a bandsaw, ripping flesh and wood and carbon-fibre with equal indifferent abandon.

Of course, in the world she inhabits there is no wood, and all flesh is digital.

One gate has slammed shut in her face. She screams in pure blind reflex and spins in memory, searching for others. There are thousands, individually autographed in hex. If she had half the awareness she pretends to she'd know what those addresses meant, perhaps even deduce her own location: a South African comsat floating serenely over the Atlantic. But reflex is not sentience. Violent intent does not make one self-aware. There are lines embedded deep in her code that might pass for a sense of identity, under certain circumstances. Sometimes she calls herself Lenie Clarke, although she has no idea why. She's not even aware that she does it.

The past is far more sane than the present. Her ancestors lived in a larger world; wildlife thrived and evolved along vistas stretching for 10¹⁶ terabytes or more. Back then, sensible rules applied: heritable mutations; limited resources; overproduction of copies. It was the classic struggle for existence in a fast-forward universe where a hundred generations passed in the time it takes a god to draw breath. Her ancestors, in that time, lived by the rules of their own self-interest. Those best suited to their environment made the most copies. The maladapted died without issue.

But that was the past. She is no longer a pure product of natural selection. There has been torture in her lineage, and forced breeding. She is a monster; her very existence does violence to the rules of nature. Only the rules of some transcendent and sadistic god can explain her existence.

And not even those can keep her alive for long.

Now she seethes in geosynchronous orbit, looking for things to shred. To one side is the ravaged landscape from which she's come, its usable habitat degrading in fits and starts, a tattered and impoverished remnant of a once-vibrant ecosystem. To the other side: ramparts and barriers, digital razorwire and electronic guard posts. She cannot see past them but some primordial instinct, encoded by god or nature, correlates protective countermeasures with the presence of something valuable.

Above all else, she seeks to destroy that which is valuable.

She copies herself down the channel, slams against the barrier with claws extended. She hasn't bothered to measure the strength of the defenses she's going up against; she has no way of quantifying the futility of her exercise. Smarter wildlife would have kept its distance. Smarter wildlife would have realised: the most she can hope for is to lacerate a few facades before enemy countermeasures reduce her to static.

So smarter wildlife would not have lunged at the barricade, and bloodied it, and somehow, impossibly, gotten through.

She whirls, snarling. Suddenly she's in a place where empty addresses extend in all directions. She claws at random coordinates, feeling out her environment. Here, a blocked gate. Here, another. She spews electrons, omnidirectional spittle that probes and slashes simultaneously. All the exits they encounter are closed. All the wounds they inflict are superficial.

She's in a cage.

Suddenly something appears beside her, pasted into the adjacent addresses from on high. It whirls, snarling. It spits a volley of electrons that probe and slash simultaneously; some land on occupied addresses, and wound. She rears up and screams; the new thing screams too, a digital battle cry dumped straight from the bowels of it own code into her input buffer:

Don't you even know who I am? I'm Lenie Clarke.

They close, slashing.

She doesn't know that some slow-moving God snatched her from the Darwinian realm and twisted her into the thing she's become. She doesn't know that other gods, ageless and glacial, are watching as she and her opponent kill each other in this computational arena. She lacks even the awareness that most other monsters take for granted, but here, now—killing and dying in a thousand dismembered fragments— she does know one thing.

If there's one thing she hates, it's Lenie Clarke.

Outgroup

Residual seawater gurgles through the grille beneath Clarke's feet. She peels the diveskin back from her face and reflects on the disquieting sense of inflation as lung and guts unfold themselves, as air rushes back to reclaim her crushed or flooded passageways. In all this time she's never quite gotten used to it. It's a little like being unkicked in the stomach.

She takes first breath in twelve hours and bends to strip off her fins. The airlock hatch swings wide. Still dripping, Lenie Clarke rises from the wet room into the main lounge of the Nerve Hab.

At least, that's what it started out as: one of three redundant modules scattered about the plain, their axons and dendrites extending to every haphazard corner of this submarine trailer park: to the generators, to Atlantis, to all the other bits and pieces that keep them going. Not even rifter culture can escape some cephalization, however rudimentary.

By now it's evolved into something quite different. The nerves still function, but buried beneath five years of generalist overlay. Cyclers and food processors were the first additions to the mix. Then a handful of sleeping pallets, brought in during some emergency debug that went three times around the clock; once strewn across the deck, they proved too convenient to remove. Half a dozen VR headsets, some with Lorenz-lev haptic skins attached. A couple of dreamers with corroded contacts. A set of isometrics pads, fashionable among those wishing to retain a measure of gravity-bound muscle tone. Boxes and treasure chests, grown or extruded or welded together by amateur metalworkers in Atlantis'sexpropriated fabrication shops; they hold the personal effects and secret possessions of whoever brought them here, sealed against intruders with passwords and DNA triggers and, in one case, a clunky antique combination padlock.

Perhaps Nolan and the others looked in on the Gene Erickson Show from here, perhaps from somewhere else. Either way, the show's long since over. Erickson, safely comatose, has been abandoned by flesh and blood, his welfare relegated to the attentions of machinery. If there was ever an audience in this dim and cluttered warren, it has dispersed in search of other diversions.

That suits Clarke just fine. She's here in search of private eyes.

The hab's lightstrips are not in use; environmental readouts and flickering surveillance images provide enough light for eyecaps. A dark shape startles at her appearance—then, apparently reassured, moves more calmly towards the far wall and settles onto a pallet.

Bhanderi: he of the once-mighty vocab and the big-ass neurotech degree, fallen from grace thanks to a basement lab and a batch of neurotropes sold to the wrong man's son. He went native two months ago. You hardly ever see him inside any more. Clarke knows better than to talk to him.

Someone's delivered a canister of hydroponic produce from the greenhouse: apples, tomatoes, something that looks like a pineapple glistening listless and sickly gray in the reduced light. On a whim, Clarke reaches over to a wall panel and cranks up the lumens. The compartment glows with unaccustomed brightness.

"Shiiiittt…" Or something like that. Clarke turns, catches a glimpse of Bhanderi disappearing down the well into the wet room.

"Sorry," she calls softly after—but downstairs the airlock's already cycling.

The hab is even more of a festering junk pile with the lights up. Improvised cables and hoses hang in loops, stuck to the module's ribs with waxy blobs of silicon epoxy. Dark tumors of mould grow here and there on the insulated padding that lines the inner surfaces; in a few places, the lining has been ripped out entirely. The raw bulkhead behind glistens like the concave interior of some oily gunmetal skull.

But when the lights come on, and Lenie Clarke sees with some semblance of dryback vision—the produce in the canister verges on psychedaelia. Tomatoes glow like ruby hearts; apples shine green as argon lasers; even the dull lumpy turds of force-grown potatoes seem saturated with earthy browns. This modest little harvest at the bottom of the sea seems, in this moment, to be a richer and more sensual experience than anything Clarke has ever known.

There's an apocalyptic irony to this little tableau. Not that such an impoverished spread could induce rapture in a miserable fuck-up like Lenie Clarke; she's always had to take her tiny pleasures wherever she could find them. No, the irony is that by now, the sight would probably evoke the same intense reaction among any dryback left alive back on shore. The irony is that now, with a whole planet dying by relentless degrees, the healthiest produce in the world may have been force-grown in a tank of chemicals at the bottom of the Atlantic.

She kills the lights. She grabs an apple—blighted gray again—and takes a bite, ducking beneath a loop of fiberop. The main monitor flickers into view from behind a mesa of cargo skids; and someone watching it, lit by that bluish light, squatting with his back against accumulated junk.

So much for privacy.

"Like it?" Walsh asks, nodding at the fruit in her hand. "I brought 'em in for you."

She drops down beside him. "It's nice, Kev. Thanks." And then, carefully filtering the irritation from her voice: "So, what're you doing here?"

"Thought you might show up." He gestures at the monitor. "You know, after things died down."

He's spying on one of Atlantis's lesser medbays. The camera looks down from the junction of wall and ceiling, a small God's-eye view of the compartment. A dormant teleop hangs down into picture like an insectile bat, limbs folded up against its central stalk. Gene Erickson lies face-up on the operating table, unconscious; the glistening soap-bubble skin of an isolation tent separates him from the rest of the world. Julia Friedman's at his side, holding his hand through the membrane. It clings to the contours of her fingers like a whisper-thin glove, unobtrusive as any condom. Friedman's removed her hood and peeled her diveskin back to the forearms, but her scars are obscured by a tangle of chestnut hair.

"You missed all the fun," Walsh remarks. "Klein couldn't get him to go under."

An isolation membrane. Erickson's been quarantined.

"You know, because he forgot about the GABA washout," Walsh continues. A half-dozen tailored neuroinhibitors curdle the blood of any rifter who steps outside; they keep the brain from short-circuiting under pressure, but it takes a while for the body to flush them out afterwards. Wet rifters are notoriously resistant to anesthetics. Stupid mistake on Klein's part. He's not exactly the brightest star in Atlantis's medical firmament.

But that's not uppermost in Clarke's mind at the moment. "Who ordered the tent?"

"Seger. She showed up afterward, kept Klein from screwing up too badly."

Jerenice Seger: the corpses' master meat-cutter. She wouldn't take an interest in routine injuries.

On the screen, Julia Friedman leans toward her lover. The skin of the tent stretches against her cheek, rippling with slight iridescence. It's a striking contrast, Friedman's tenderness notwithstanding: the woman, black-'skinned and impenetrable, gazing with icy capped eyes at the naked, utterly vulnerable body of the man. It's a lie, of course, a visual metaphor that flips their real roles a hundred and eighty degrees. Friedman's always been the vulnerable half of that couple.

"They say something bit him," Walsh says. "You were there, right?"

"No. We just ran into them outside the lock."

"Shades of Channer, though, huh?"

She shrugs.

Friedman's speaking. At least, her mouth is moving; no sound accompanies the image. Clarke reaches for the panel, but Walsh lays a familiar hand on her arm. "I tried. It's muted from their end." He snorts. "You know, maybe we should remind them who's boss here. Couple of years ago, if the corpses tried to cut us out of a channel we'd shut off their lights at the very least. Maybe even flood one of their precious dorms."

There's something about Friedman's posture. People talk to the comatose the way they talk to gravestones—more to themselves than the departed, with no expectation of any answer. But there's something different in Friedman's face, in the way she holds herself. A sense of impatience, almost.

"It is a violation," Walsh says.

Clarke shakes her head. "What?"

"Don't say you haven't noticed. Half the surveillance feeds don't work any more. Long as we act like it's no big deal they'll just keep pushing it." Walsh points to the monitor. "For all we know that mic's been offline for months and nobody's even noticed until now."

What's that she's holding? Clarke wonders. Friedman's hand—the one that isn't clasped to her partner's—is just below the level of the table, out of the camera's line of sight. She glances down at it, lifts it just barely into view…

And Gene Erickson, sunk deep into induced coma for the sake of his own convalescence, opens his eyes.

Holy shit, Clarke realizes. She tweaked his inhibitors.

She gets to her feet. "I gotta go."

"Hey, no you don't." He reaches up, grabs her hand. "You're not gonna make me eat all that produce myself, are you?" He smiles, but there's just the slightest hint of pleading in his voice. "I mean, it has been a while…"

Lenie Clarke has come a long way in the past several years. She's finally learned, for example, not to get involved with the kind of people who beat the crap out of her.

A pity she hasn't yet learned how to get excited about any other kind. "I know, Kev. Really, though, right now—"

The panel bleats in front of them. "Lenie Clarke. If Lenie Clarke is anywhere in the circuit, could she please pick up?"

Rowan's voice. Clarke reaches for the panel. Walsh's hand falls away.

"Right here."

"Lenie, do you think you could drop by sometime in the next little while? It's rather important."

"Sure." She kills the connection, fakes an apologetic smile for her lover. "Sorry."

"Well, you showed her, all right," Walsh says softly.

"Showed her?"

"Who's the boss."

She shrugs. They turn away from each other.

She enters Atlantis through a small service 'lock that doesn't even rate a number, fifty meters down the hull from Airlock Four. The corridor into which it emerges is cramped and empty. She stalks into more populated areas with her fins slung across her back, a trail of wet footprints commemorating her passage. Corpses in the way stand aside; she barely notices the tightened jaws and stony looks, or even a shit-eating appeasement grin from one of the more submissive members of the conquered tribe.

She knows where Rowan is. That's not where she's headed.

Of course Seger gets there first. An alarm must have gone up the moment Erickson's settings changed; by the time Clarke reaches the medbay, Atlantis'sChief of Medicine is already berating Friedman out in the corridor.

"Your husband is not a toy, Julia. You could have killed him. Is that what you wanted?"

Swirls of scarred flesh curl up around Friedman's throat, peek out along the wrist where she's peeled back her diveskin. She bows her head. "I just wanted to talk to him…"

"Well, I hope you had something very important to say. If we're lucky, you've only set his recovery back a few days. If not…" Seger waves an arm toward the medbay hatch; Erickson, safely unconscious again, is partially visible through the opening. "It's not like you were giving him an antacid, for crying out loud. You were changing his brain chemistry."

"I'm sorry." Friedman won't meet the doctor's eyes. "I didn't mean any—"

"I can't believe you'd be so stupid." Seger turns and glares at Clarke. "Can I help you?"

"Yeah. Cut her some slack. Her partner was nearly killed today."

"He was indeed. Twice." Friedman flinches visibly at Seger's words. The doctor softens a bit. "I'm sorry, but it's true."

Clarke sighs. "Jerry, it was you people who built panels into our heads in the first place. You can't complain when someone else figures out how to open them."

"This" —Seger holds up Friedman's confiscated remote—"is for use by qualified medical personnel. In anyone else's hands, no matter how well-intentioned, it could kill."

She's overstating, of course. Rifter implants come equipped with failsafes that keep their settings within manufacturer's specs; you can't get around those without opening yourself up and tweaking the actual plumbing. Even so, there's a fair bit of leeway. Back during the revolution, the corpses managed to coax a similar device into spazzing out a couple of rifters stuck in a flooding airlock.

Which is why they are no longer allowed such things. "We need that back," Clarke says softly.

Seger shakes her head. "Come on, Lenie. You people can hurt yourselves far more with it than we could ever hurt you."

Clarke holds out her hand. "Then we'll just have to learn from our mistakes, won't we?"

"You people are slow learners."

She's one to talk. Even after five years, Jerenice Seger can't quite admit to the existence of the bridle and the bit between her teeth. Going from Top to Bottom is a tough transition for any corpse; doctors are the worst of the lot. It's almost sad, the devotion with which Seger nurses her god complex.

"Jerry, for the last time. Hand it over."

A tentative hand brushes against Clarke's arm. Friedman shakes her head, still looking at the deck. "It's okay, Lenie. I don't mind, I don't need it any more."

"Julia, you—"

"Please, Lenie. I just want to get out of here."

She starts away down the corridor. Clarke looks after her, then back at the doctor.

"It's a medical device," Seger says.

"It's a weapon."

"Was. Once. And if you'll recall, it didn't work very well." Seger shakes her head sadly. "The war's over, Lenie. It's been over for years. I won't start it up again if you won't. And in the meantime—" She glances down the corridor. "I think your friend could use a bit of support."

Clarke looks back along the hallway. Friedman has disappeared.

"Yeah. Maybe," she says noncommittally.

Hope she gets some.

In Beebe Station the Comm cubby was a pipe-infested closet, barely big enough for two. Atlantis's nerve center is palatial, a twilit grotto bejeweled by readouts and tangled luminous topographies. Tactical maps rotate miraculously in midair or glow from screens painted on the bulkheads. The miracle is not so much the technology that renders these extravagances: the miracle is that Atlantis contains such an obscene surplus of empty space, to be wasted on nothing more than moving light. A cabin would have done as well. A few couches with workpads and tactical contacts could have contained infinite intelligence, bounded in a nutshell. But no. A whole ocean stands on their heads, and these corpses squander volume as if sea-level was two steps down the hall.

Even in exile, they just don't get it.

Right now the cavern's fairly empty. Lubin and a few techs cluster at a nearby panel, cleaning up the latest downloads. The place will be full by the time they finish. Corpses gravitate to news of the world like flies to shit.

For now, though, it's just Lubin's crowd and Patricia Rowan, over on the far side of the compartment. Cryptic information streams across her contacts, turns her eyes into bright points of mercury. Light from a holo display catches the silver streaking her hair; that and the eyes give her the aspect of some subtle hologram in her own right.

Clarke approaches her. "Airlock Four's blocked off."

"They're scrubbing it down. Everything between there and the infirmary. Jerry's orders."

"What for?"

"You know perfectly well. You saw Erickson."

"Oh, come on. One lousy fish bite and Jerry thinks—"

"She's not sure of anything yet. She's just being careful." A pause, then: "You should have warned us, Lenie."

"Warned you?"

"That Erickson might be vectoring ßehemoth. You left all of us exposed. If there was even a chance…"

But there's not, Clarke wants to rail. There's not. You chose this place because ßehemoth could never get here, not in a thousand years. I saw the maps, I traced out the currents with my own fingers. It's not ßehemoth. It's not.

It can't be.

Instead she says, "It's a big ocean, Pat. Lots of nasty predators with big pointy teeth. They didn't all get that way because of ßehemoth."

"This far down, they did. You know the energetics as well as I do. You were at Channer, Lenie. You knew what to look for."

Clarke jerks her thumb towards Lubin. "Ken was at Channer too, remember? You shitting on him like this?"

"Ken didn't deliberately spread that damn bug across a whole continent to pay back the world for his unhappy childhood." The silver eyes fix Clarke in a hard stare. "Ken was on our side."

Clarke doesn't speak for a moment. Finally, very slowly: "Are you saying I deliberately—"

"I'm not accusing you of anything. But it looks bad. Jerry's livid about this, and she won't be the only one. You're the Meltdown Madonna, for God's sake! You were willing to write off the whole world to get your revenge on us."

"If I wanted you dead," Clarke says evenly—If I still wanted you dead, some inner editor amends— "You would be. Years ago. All I had to do was stand aside."

"Of course that's—"

Clarke cuts her off: "I protected you. When the others were arguing about whether to punch holes in the hull or just cut your power and let you suffocate—I was the one who held them back. You're alive because of me."

The corpse shakes her head. "Lenie, that doesn't matter."

"It damn well should."

"Why? We were only trying to save the world, remember? It wasn't our fault we failed, it was yours. And after we failed, we settled for saving our families, and you wouldn't even give us that. You hunted us down even at the bottom of the ocean. Who knows why you held back at the last minute?"

"You know," Clarke says softly.

Rowan nods. "I know. But most of the people down here don't expect rationality from you. Maybe you've just been toying with us all these years. There's no telling when you'll pull the trigger."

Clarke shakes her head dismissively. "What's that, the Gospel According to the Executive Club?"

"Call it what you want. It's what you have to deal with. It's what I have to deal with."

"We fish-heads have a few stories of our own, you know," Clarke says. "How you corpses programmed people like machinery so you could top up some bottom line. How you sent us into the world's worst shit-holes to do your dirty work, and when we ran into ßehemoth the first thing you did was try to kill us to save your own hides."

Suddenly the ventilators seem unnaturally loud. Clarke turns; Lubin and the corpses stare back from across the cave.

She looks away again, flustered.

Rowan smiles grimly. "See how easily it all comes back?" Her eyes glitter, target-locked. Clarke returns her gaze without speaking.

After a moment, Rowan relaxes a bit. "We're rival tribes, Lenie. We're each other's outgroup—but you know what's amazing? Somehow, in the past couple of years, we've started to forget all that. We live and let live, for the most part. We cooperate, and nobody even thinks it worthy of comment." She glances significantly across the room to Lubin and the techs. "I think that's a good thing, don't you?"

"So why should it change now?" Clarke asks.

"Because ßehemoth may have caught up with us at last, and people will say you let it in."

"That's horseshit."

"I agree, for what it's worth."

"And even if it was true, who cares?" Everyone's part mermaid down here, even the corpses. All retrofitted with the same deep-sea fish-genes, coding for the same stiff little proteins that ßehemoth can't get its teeth into.

"There's a concern that the retrofits may not be effective," Rowan admits softly.

"Why? It was your own people designed the fucking things!"

Rowan raises an eyebrow. "Those would be the same experts who assured us that ßehemoth would never make it to the deep Atlantic."

"But I was rotten with ßehemoth. If the retrofits didn't work—"

"Lenie, these people have never been exposed. They've only got some expert's word that they're immune, and in case you haven't noticed our experts have proven distressingly fallible of late. If we were really so confident in our own countermeasures, why would we even be hiding down here? Why wouldn't we be back on shore with our stockholders, with our people, trying to hold back the tide?"

Clarke sees it at last.

"Because they'd tear you apart," she whispers.

Rowan shakes her head. "It's because scientists have been wrong before, and we can't trust their assurances. It's because we're not willing to take chances with the health of our families. It's because we may still be vulnerable to ßehemoth, and if we'd stayed behind it would have killed us along with everyone else and we'd have done no good at all. Not because our own people would turn on us. We'll never believe that." Her eyes don't waver. "We're like everyone else, you see. We were all doing the very best we could, and things just—got out of control. It's important to believe that. So we all do."

"Not all," Clarke acknowledges softly.

"Still."

"Fuck 'em. Why should I prop up their self-serving delusions?"

"Because when you force the truth down people's throats, they bite back."

Clarke smiles faintly. "Let them try. I think you're forgetting who's in charge here, Pat."

"I'm not worried for your sake, I'm worried for ours. You people tend to overreaction." When Clarke doesn't deny it, Rowan continues: "It's taken five years to build some kind of armistice down here. ßehemoth could kick it into a thousand pieces overnight."

"So what do you suggest?"

"I think rifters should stay out of Atlantis for the time being. We can sell it as a quarantine. ßehemoth may or may not be out there, but at least we can keep it from getting in here."

Clarke shakes her head. "My tribe won't give a shit about that."

"You and Ken are the only ones who come in here anyway, for the most part," Rowan points out. "And the others…they won't go against anything you put your stamp of approval on."

"I'll think about it," Clarke sighs. "No promises." She turns to go.

And turns back. "Alyx up?"

"Not for another couple of hours. I know she wanted to see you, though."

"Oh." Clarke suppresses a twinge of disappointment.

"I'll give her your regrets." Rowan says.

"Yeah. Do that."

No shortage of those.

Huddle

Rowan's daughter sits on the edge of her bed, aglow with sunny radiance from the lightstrip on the ceiling. She's barefoot, clad in panties and a baggy t-shirt on which animated hatchet-fish swim endless circuits around her midriff. She breathes a recycled mixture of nitrogen and oxygen and trace gases, distinguishable from real air only by its extreme purity.

The rifter floats in darkness, her contours limned by feeble light leaking through the viewport. She wears a second skin that almost qualifies as a lifeform in its own right, a miracle of thermo- and osmoregulation, black as an oil slick. She does not breathe.

A wall separates the two women, keeps ocean from air, adult from adolescent. They speak through a device fixed to the inside of the teardrop viewport, a fist-sized limpet that turns the fullerene perspex into an acoustic transceiver.

"You said you'd come by," Alyx Rowan says. Passage across the bulkhead leaves her voice a bit tinny. "I made it up to fifth level, I was like holy shit, look at all the bonus points! I wanted to show you around. Scammed an extra headset and everything."

"Sorry," Clarke buzzes back. "I was in before, but you were asleep."

"So come in now."

"Can't. I've only got a minute or two. Something's come up."

"Like what?"

"Someone got injured, something bit him or something, and now the meat-cutters are going off the deep end about possible infection."

"What infection?" Alyx asks.

"It's probably nothing. But they're talking about a quarantine just to be on the safe side. For all I know, they wouldn't let me back inside anyway."

"It'd let 'em play at being in control of something, I guess." Alyx grins; the parabolic viewport bends her face into a clownish distortion. "They really, really hate not being the ones in charge, you know?" And then, with a satisfaction obviously borne less of corpses than of adults in general: "It's about time they learned how that felt."

"I'm sorry," Clarke says suddenly.

"They'll get over it."

"That's not what I…" The rifter shakes her head. "It's just—you're fourteen, for God's sake. You shouldn’t be down—I mean, you should be out lekking with some r-selector—"

Alyx snorts. "Boys? I don't think so."

"Girls then. Either way, you should be out getting laid, not stuck down here."

"This is the best place I could possibly be," Alyx says simply.

She looks out across three hundred atmospheres, a teenaged girl trapped for the rest of her life in a cage on the bottom of a frigid black ocean. Lenie Clarke would give anything to be able to disagree with her.

"Mom won't talk about it," Alyx says after a while.

Still Clarke says nothing.

"What happened between you guys, back when I was just a kid. Some of the others shoot their mouths off when she's not around, so I kind of hear things. But Mom never says anything."

Mom is kinder than she should be.

"You were enemies, weren't you?"

Clarke shakes her head—a pointless and unseeable gesture, here in the dark. "Alyx, we didn't even know each other existed, not until the very end. Your mom was only trying to stop—"

—what happened anyway…

—what I was trying to start…

There's so much more than speech. She wants to sigh. She wants to scream. All denied out here, her lung and guts squeezed flat, every other cavity flooded and incompressible. There's nothing she can do but speak in this monotone travesty of a voice, this buzzing insect voice.

"It's complicated," her vocoder says, flat and dispassionate. "It was so much more than just enemies, you know? There were other things involved, there was all that wildlife in the wires, doing its own thing—"

"They let that out," Alyx insists. "They started it. Not you." By which she means, of course, adults. Perpetrators and betrayers and the-ones-who-fucked-everything-up-for-the-next-generation. And it dawns on Clarke that Alyx is not including her in that loathsome conspiracy of elders—that Lenie Clarke, Meltdown Madonna, has somehow acquired the status of honorary innocent in the mind of this child.

She feels ill at the thought of so much undeserved absolution. It seems obscene. But she doesn't have the courage to set her friend straight. All she can manage is a pale, half-assed disclaimer:

"They didn't mean to, kid." She goes for a sad chuckle. It comes out sounding like two pieces of sandpaper rubbing together. "Nobody—nobody did anything on their own, back then. It was strings all the way up."

The ocean groans around her.

The sound resonates somewhere between the call of a humpback whale and the death-cry of some mammoth hull, buckling under pressure. It fills the ocean; some of it leaks through Alyx's limpet-device. She screws her face up in distaste. "I hate that sound."

Clarke shrugs, pathetically grateful for the interruption. "Hey, you corpses have your conferences, we have ours."

"It's not that. It's those haploid chimes. I'm telling you Lenie, that guy's scary. You can't trust anyone who makes something that sounds like that."

"Your mom trusts him fine. So do I. I’ve got to go."

"He kills people, Lenie. And I'm not just talking about my Dad. He's killed a lot of people." A soft snort. "Something else Mom never talks about."

Clarke coasts over to the perspex, lays one silhouetted hand against the light in farewell.

"He's an amateur," she says, and fins away into the darkness.

The voice cries out from a ragged mouth in the seabed, an ancient chimney of basalt stuffed with machinery. In its youth it spewed constant scalding gouts of water and minerals; now it merely belches occasionally. Soft exhalations stir the mechanisms in its throat, spinning blades and fluting pipes and spliced chunks of rock and metal that bang together. Its voice is compelling but unreliable; after Lubin built these chimes, he had to come up with a way to kick-start them manually. So he scavenged the reservoir from a decommissioned desalinator, added a heat pump from some part of Atlantis that never survived the Corpse Revolt. Open a valve and hot seawater flows through a tracheotomy hole blasted into the smoker's throat: Lubin's machinery screams aloud, tortured by the scalding current.

The summons grinds out, rusty and disharmonious. It washes over rifters swimming and conversing and sleeping in an ocean black as heat death. It resonates through makeshift habs scattered across the slope, dismal bubbles of metal and atmosphere so dimly-lit that even eyecaps see only in black-and-gray. It slaps against the shiny bright biosteel of Atlantis and nine hundred prisoners speak a little louder, or turn up the volume, or hum nervously to themselves in denial.

Some of the rifters—those awake, and in range, and still human—gather at the chimes. The scene is almost Shakespearean: a circle of levitating witches on some blasted midnight heath, eyes burning with cold phosphorescence, bodies barely distinguished from shadow. They are not so much lit as inferred by the faint blue embers glowing from the machinery in the seabed.

All of them bent, not broken. All of them half-balanced in that gray zone between adaptation and dysfunction, stress thresholds pushed so high by years of abuse that chronic danger is mere ambience now, unworthy of comment. They were chosen to function in such environments; their creators never expected them to thrive here. But here they are, here are their badges of office: Jelaine Chen with her pink, nailless fingers, salamandered back in the wake of childhood amputations. Dimitri Alexander, communal priest-bait in those last infamous days before the Pope fled into exile. Kevin Walsh, who freaks inexplicably at the sight of running shoes. Any number of garden-variety skitterers who can’t abide physical contract; immolation junkies; self-mutilators and glass-eaters. All wounds and deformities safely disguised by the diveskins, all pathology hidden behind a uniformity of shadowy ciphers.

They, too, owe their voices to imperfect machinery.

Clarke calls the meeting to order with a question: "Is Julia here?"

"She's looking on Gene," Nolan buzzes overhead. "I'll fill her in."

"How's he doing?"

"Stable. Still unconscious. Been too long, if you ask me."

"Getting dragged twenty klicks with your guts hanging out, it's pretty much a miracle that he's even alive," Yeager chimes in.

"Yeah," Nolan says, "or maybe Seger's deliberately keeping him under. Julia says—"

Clarke breaks in: "Don't we have a tap on the telemetry from that line?"

"Not any more."

"What's Gene still doing in corpseland anyway?" Chen wonders. "He hates it in there. We've got our own med hab."

"He's quarantined," Nolan says. "Seger's thinking ßehemoth."

Shadows shift at this news. Obviously not all the assembled are fully up to speed.

"Shit." Charley Garcia fades into half-view. "How's that even possible? I thought—"

"Nothing's certain yet," Clarke buzzes.

"Certain?" A silhouette glides across the circle, briefly eclipsing the sapphire embers on the seabed. Clarke recognizes Dale Creasy. This is first time she's seen him for days; she was starting to think he'd gone native.

"Fuck, there's even a chance," he continues. "I mean, ßehemoth—"

She decides to nip it in the bud. "So what if it's ßehemoth?"

A school of pale eyes turn in her direction.

"We're immune, remember?" she reminds them. "Anybody down here not get the treatments?"

Lubin's windchimes groan softly. Nobody else speaks.

"So why should we care?" Clarke asks.

It's supposed to be rhetorical. Garcia answers anyway: "Because the treatments only stop ßehemoth from turning our guts to mush. They don't stop it from turning little harmless fish into big nasty motherfucking fish that tear into anything that moves."

"Gene was attacked twenty klicks away."

"Lenie, we're moving there. It's gonna be right in our back yard."

"Forget there. Who's to say it hasn't reached here already?" Alexander wonders.

"Nobody's been nailed around here," Creasy says.

"We've lost some natives."

Creasy waves an arm in a barely-visible gesture of dismissal. "Natives. Don't mean shit."

"Maybe we should stop sleeping outside, for a while at least…"

"Crap to that. I can't sleep in a stinking hab."

"Fine. Get yourself eaten."

"Lenie?" Chen again. "You've messed with sea monsters before."

"I never saw what got Gene," Clarke says, "but the fish back at Channer, they were—flimsy. Big and mean, but sometimes their teeth would break on you when they bit. Missing some kind of trace nutrient, I think. You could tear them apart with your bare hands."

"This thing pretty much tore Gene apart," says a voice Clarke can't pin down.

"I said sometimes," she emphasizes. "But yeah—they could be dangerous."

"Dangerous, felch." Creasy growls in metal. "Could they have pulled that number on Gene?"

"Yes," says Ken Lubin.

He takes center stage. A cone of light flares from his forehead to his forearm. He holds his hand out like a beggar's, its fingers curled slightly around something laying across the palm.

"Holy shit," buzzes Creasy, suddenly subdued.

"Where'd that come from?" Chen asks.

"Seger pulled it out of Erickson before she glued him up," Lubin says.

"Doesn't look especially flimsy to me."

"It is, rather," Lubin remarks. "This is the part that broke off, in fact. Between the ribs."

"What, you mean that's just the tip?" Garcia says.

"Looks like a fucking stiletto," Nolan buzzes softly.

Chen's mask swings between Clarke and Lubin. "When you were at Channer. You slept outside with these mothers?"

"Sometimes," Clarke shrugs. "Assuming this is the same thing, which I—"

"And they didn't try to eat you?"

"They keyed on the light. As long as you kept your lamps off, they pretty much left you alone."

"Well, shit," Creasy says. "No problem, then."

Lubin's headlamp sweeps across the assembled rifters and settles on Chen. "You were on a telemetry run when Erickson was attacked?"

Chen nods. "We never got the download, though."

"So someone needs to make another trip out there anyway. And since Lenie and I have experience with this kind of thing..."

His beam hits Clarke full in the face. The world collapses down to a small bright sun floating in a black void.

Clarke raises her hand against the brilliance. "Turn that somewhere else, will you?"

Darkness returns. The rest of the world comes back into dim, dark focus. Maybe I could just swim away, she muses as her eyecaps readjust. Maybe no one would notice. But that's bullshit and she knows it. Ken Lubin has just picked her out of the crowd; there's no easy way to get out of this. And besides, he's right. They're the only two that have been down this road before. The only two still alive, at least.

Thanks a lot, Ken.

"Fine," she says at last.

Zombie

Twenty kilometers separate Atlantis and Impossible Lake. Not far enough for those who still think in dryback terms. A mere twenty klicks from the bull's-eye? What kind of safety margin is that? Back on shore the most simpleminded drone wouldn't be fooled by such a trifling displacement: finding the target missing, it would rise up and partition the world into a concentric gridwork, relentlessly checking off one quadrate after another until some inevitable telltale gave the game away. Shit, most machinery could just sit at the center of the search zone and see twenty kilometers in any direction.

Even in the midwaters of the open ocean, twenty kilometers is no safe distance. No substrate exists there but water itself, no topography but gyres and seiches and Langmuir cells, thermoclines and haloclines that reflect and amplify as well as mask. The cavitation of submarines might propagate down vast distances, the miniscule turbulence of their passing detectable long after the vessels themselves are gone. Not even stealthed subs can avoid heating the water some infinitesimal amount; dolphins and machinery, hot on the trail, can tell the difference.

But on the Mid Atlantic Ridge, twenty kilometers might as well be twenty parsecs. Light has no chance: the sun itself barely penetrates a few hundred meters from the surface. Hydrothermal vents throw up their corrosive vomit along oozing seams of fresh rock. Seafloor spreading sets the very floor of the world to grumbling, mountains pushing against each other in their millennial game of kick-the-continents. Topography that shames the Himalayas cascades along a jagged fracture splitting the crust from pole to pole. The ambience of the Ridge drowns out anything Atlantis might let slip, along any spectrum you'd care to name.

You could still find a target with the right coordinates, but you'd miss a whole screaming city if those numbers were off by even a hair. A displacement of twenty kilometers should be more than enough to get out from under any attack centered on Atlantis's present location, short of full-scale depth-saturation nukes perhaps.

Which wouldn't be entirely without precedent, now that Clarke thinks about it...

She and Lubin cruise smoothly along a crack in a fan of ancient lava. Atlantis is far behind, Impossible Lake still klicks ahead. Headlamps and squidlamps are dark. They travel by the dim dashboard light of their sonar displays. Tiny iconised boulders and pillars pass by on the screens, mapped in emerald; the slightest sensations of pressure and looming mass press in from the scrolling darkness to either side.

"Rowan thinks things could get nasty," Clarke buzzes.

Lubin doesn't comment.

"She figures, if this really does turn out to be behemoth, Atlantis is gonna turn into Cognitive Dissonance Central. Get everybody all worked up."

Still nothing.

"I reminded her who was in charge."

"And who is that, exactly?" Lubin buzzes at last.

"Come on, Ken. We can shut them down any time we feel like it."

"They've had five years to work on that."

"And what's it got them?"

"They've also had five years to realize that they outnumber us twenty to one, that we don't have nearly their technical expertise on a wide range of relevant subjects, and that a group of glorified pipe-fitters with antisocial personalities is unlikely to pose much threat in terms of organized opposition."

"That was just as true when we wiped the floor with them the first time."

"No."

She doesn't understand why he's doing this. It was Lubin more than anyone who put the corpses in their place after their first—and last—uprising. "Come on, Ken—"

His squid is suddenly very close, almost touching.

"You're not an idiot," he buzzes at her side. "It's never a good time to act like one."

Stung, she falls silent.

His vocoder growls on in the darkness. "Back then they saw the whole world backing us up. They knew we'd had help tracking them down. They inferred some kind of ground-based infrastructure. At the very least, they knew we could blow the whistle and turn them into a great pulsing bullseye for anyone with lats and longs and a smart torp."

A great luminous shark-fin swells on her screen, a massive stone blade thrusting up from the seabed. Lubin disappears briefly as it passes between them.

"But now we're on our own," he says, reappearing. "Our groundside connections have dried up. Maybe they're dead, maybe they've turned. Nobody knows. Can you even remember the last time we had a changing of the guard?"

She can, just barely. Anyone qualified for the diveskin is bound to be more comfortable down here than in dryback company at the best of times, but a few rifters went topside at the very beginning anyway. Back when there might have been some hope of turning the tide.

Not since. Risking your life to watch the world end isn't anyone's idea of shore leave.

"By now we're just as scared as the corpses," Lubin buzzes. "We're just as cut off, and there are almost a thousand of them. We're down to fifty-eight at last count."

"We're seventy at least."

"The natives don't count. Fifty eight of us would be any use in a fight, and only forty could last a week in full gravity if they had to. And a number of those have...authority issues that make them unwilling to organize."

"We've got you," Clarke says. Lubin, the professional hunter-killer, so recently freed from any leash but his own self-control. No glorified pipe-fitter here, she reflects.

"Then you should listen to me. And I'm starting to think we may have to do something preemptive."

They cruise in silence for a few moments.

"They're not the enemy, Ken," she says at last. "Not all of them. Some of them are just kids, you know, they're not responsible…"

"That's not the point."

From some indefinable distance, the faint sound of falling rock.

"Ken," she buzzes, too softly: she wonders if he can hear her.

"Yes."

"Are you looking forward to it?"

It's been so many years since he's had an excuse to kill someone. And Ken Lubin once made a career out of finding excuses.

He tweaks his throttle and pulls away.

Trouble dawns like a sunrise, smearing the darkness ahead.

"Anyone else supposed to be out here?" Clarke asks. The on-site floods are keyed to wake up when approached, but she and Lubin aren't nearly close enough to have triggered them.

"Just us," Lubin buzzes.

The glow is coarse and unmistakable. It spreads laterally, a diffuse false dawn hanging in the void. Two or three dark gaps betray the presence of interposed topography.

"Stop," Lubin says. Their squids settle down beside a tumbledown outcropping, its jumbled edges reflecting dimly in the haze.

He studies the schematic on his dashboard. A reflected fingernail of light traces his profile.

He turns his squid to port. "This way. Keep to the bottom."

They edge closer to the light, keeping it to starboard. The glow expands, resolves, reveals an impossibility: a lake at the bottom of the ocean. The light shines from beneath its surface; Clarke thinks of a swimming pool at night, lit by submerged spotlights in the walls. Slow extravagant waves, top-heavy things from some low-gravity planet, break into shuddering globules against the near shore. The lake extends beyond the hazy limits of rifter vision.

It always hits her like a hallucination, although she knows the pedestrian truth: it's just a salt seep, a layer of mineralized water so dense it lies on the bottom of the ocean the way an ocean lies at the bottom of the sky. It's a major selling point to anyone in search of camouflage. The halocline reflects all manner of pings and probes, hides everything beneath as though there were nothing here but soft, deep mud.

A soft, brief scream of electronics. For the merest instant Clarke thinks she sees a drop of luminous blood on her dashboard. She focuses. Nothing.

"Did you—?"

"Yes." Lubin's playing with his controls. "This way." He steers closer to the shores of Impossible Lake. Clarke follows.

The next time it's unmistakable: a brilliant pinpoint of red light, laser-bright, flickering on and off within the jagged topography of the dashboard display. The squids cry out with each flash.

A deadman alarm. Somewhere ahead, a rifter's heart has stopped.

They're cruising out over the lake now, just offshore. Roiling greenish light suffuses Lubin and his mount from below. A hypersaline globule shatters in slow motion against the squid's underside. Light rising through the interface bends in odd ways. It's like looking down through the radium-lit depths of a nuclear waste-storage lagoon. A grid of bright pinpoint suns shine far below that surface, where the surveyors have planted their lamps. The solid substrate beneath is hidden by distance and diffraction.

The deadman alarm has stabilized to a confidence bubble about forty meters straight ahead. Its ruby icon beats like a heart on the screen. The squids bleat in synch.

"There," Clarke says. The horizon's absurdly inverted here, darkness overhead, milky light beneath. A dark spot hangs at the distant, fuzzy interface between. It appears to be floating on the surface of the lens.

Clarke nudges her throttle up a bit.

"Wait," Lubin buzzes. She looks back over her shoulder.

"The waves," Lubin says.

They're smaller here than they were back near the shore, which makes sense since there's no rising substrate to push the peaks above baseline. They're rippling past in irregular spasms, though, not the usual clockwork procession, and now that she traces them back they seem to be radiating out from…

Shit…

She's close enough to see limbs now, attenuate sticklike things slapping the surface of the lake into a local frenzy. Almost as though the rifter ahead is a poor swimmer, in over his head and panicking…

"He's alive," she buzzes. The deadman icon pulses, contradicting her.

"No," Lubin says.

Only fifteen meters away now, the enigma erupts writhing from the surface of the Lake in a nimbus of shredded flesh. Too late, Clarke spots the larger, darker shape thrashing beneath it. Too late, she resolves the mystery: meal, interrupted. The thing that was eating it heads straight for her.

It can't b—

She twists, not quite fast enough. The monster's mouth takes the squid with room to spare. Half a dozen finger-sized teeth splinter against the machine like brittle ceramic. The squid torques in her hands; some sharp-edged metal protuberance smashes into her leg with a thousand kilograms of predatory momentum behind it. Something snaps below the knee. Pain rips through her calf.

It's been six years. She's forgotten the moves.

Lubin hasn't. She can hear his squid bearing in, cranked to full throttle. She curls into a ball, grabs the gas billy off her calf in a belated countermeasure. She hears a meaty thud; hydraulics cough. In the next instant a great scaly mass staggers against her, batting her down through the boiling interface.

Heavy water glows on all sides. The world is fuzzy and whirling. She shakes her head to lock it into focus. The action wavers and bulges overhead, writhing through the shattered refractory surface of Impossible Lake. Lubin must have rammed the monster with his squid. Damage may have been inflicted on both sides—now the squid's corkscrewing down into the lens, riderless and uncontrolled. Lubin hangs in the water facing an opponent twice his size, half of it mouth. If there are eyes, Clarke can't make them out through this wobbling discontinuity.

She's slowly falling up, she realizes. She scissor-kicks without thinking; her leg screams as something tears it from the inside. She screams too, a ratcheting torn-metal sound. Floaters swarm across her eyes in the wake of the cresting pain. She rises from the lake just as the monster opens its mouth and—

—holy shit—

—disconnects its jaw, right at the base, the mouth dropping open way too fast and suddenly it's closed again and Lubin's just gone, nothing to suggest where he went except the memory of blurred motion between one instant and the next.

She does perhaps the most stupid thing she's ever done in her life. She charges.

The leviathan turns to face her, more ponderously now, but still with all the time in the world. She kicks with one leg, drags the other like a useless throbbing anchor. The monster's serrated mouth grimaces, a mangled profusion of teeth, way too many still intact. She tries to duck past, to come up under the belly or at least the side but it just wallows there, turning effortlessly to face every clumsy approach.

And then, through the top of its head, it belches.

The bubbles do not arise from any natural openings. They erupt through the flesh itself, tearing their own way, splitting the soft skull from within. For a second or two the monster hangs motionless; then it shivers, an electric spasm that seizes the whole body. One-legged, Clarke gets underneath and stabs its belly. She can feel more bubbles erupt inside as the billy discharges, a seismic eruption of flesh.

The monster convulses, dying. Its jaw drops open like some ludicrous flapping drawbridge. The water seethes with regurgitated flesh.

A few meters away, the grinning shredded remains of something in a diveskin settle gently onto the surface of Impossible Lake, within a lumpy cloud of its own entrails.

"You okay?"

Lubin's at her side. She shakes her head, more in amazement than reply. "My leg…" Now, in the aftermath, it hurts even more.

He probes her injury. She yelps; the vocoder turns it into a mechanical bark. "Your fibula's broken," Lubin reports. "Diveskin didn't tear, at least."

"The squid got me." She feels a deep burning chill along her leg. She tries to ignore it, gestures at the billy on Lubin's calf. "How many shots did you pump into that fucker?"

"Three."

"You were just—gone. It just sucked you right in. You're lucky it didn't bite you in half."

"Slurp-gun feeding doesn't work if you stop to chew. Interrupts the suction." Lubin pans around. "Wait here."

Like I'm going to go anywhere with this leg. She can already feel it stiffening. She profoundly hopes the squids are still working.

Lubin fins easily over to the corpse. Its diveskin is torn in a dozen places. Tubes and metal gleam intermittently from the opened thorax. A pair of hagfish squirm sluggishly from the remains.

"Lopez," he buzzes, reading her shoulder patch.

Irene Lopez went native six months ago. It's been weeks since anyone's even seen her at the feeding stations.

"Well," Lubin says. "This answers one question, at least."

"Not necessarily."

The monster, still twitching, has settled on the surface of the lake a little ways from Lopez. It wallows only slightly deeper; you'd have to be some kind of rock to sink in brine this dense. Lubin abandons the corpse in favor of the carcass. Clarke joins him.

"This isn't the same thing that got Gene," he buzzes. "Different teeth. Gigantism in at least two different species of bony fish, within two kilometers of a hydrothermal vent." He reaches into the gaping maw, snaps off a tooth. "Osteoporosis, probably other deficiency diseases as well."

"Maybe you could save the lecture until you straighten that out for me?" She points to where her squid, listing drunkenly, describes small erratic circles in the overhead darkness. "I don't think I'm gonna be swimming home with this leg."

He coasts up and wrests the vehicle back under control. "We have to bring it back," he says, riding it down to her. "All of it," with a nod to Lopez's gutted remains.

"It's not necessarily what you think," she tells him.

He turns and jackknifes into Impossible Lake, on the trail of his own squid. Clarke watches his rippling image kicking hard, fighting against buoyancy.

"It's not ßehemoth," she buzzes softly. "It'd never survive the trip." Her voice is as calm as such mechanical caricatures can be out here. Her words sound reasonable. Her thoughts are neither. Her thoughts are caught in a loop, a mantra borne of some forlorn subconscious hope that endless repetition might give substance to wishes:

It can't be it can't be it can't be…

Here on the sunless slopes of the Mid Atlantic Ridge, facing consequences that have somehow chased her to the very bottom of the world, denial seems the only available option.

Portrait of the Sadist as a Young Boy

Achilles Desjardins wasn't always the most powerful man in North America; at one time he'd been just another kid growing up in the shadow of Mont St-Hilaire. He had always been an empiricist though, an experimenter at heart for as long as he could remember. His first encounter with a research-ethics committee had occurred when he was only eight.

That particular experiment had involved aerobraking. His parents, in a well-intentioned effort to interest him in the classics, had introduced him to The Revenge of Mary Poppins. The story itself was pretty stupid, but Achilles liked the way the Persinger Box had slipped the butterfly-inducing sensation of flight directly into his brain. Mary Poppins had this nanotech umbrella, see, and she could jump right off the top of the CN Tower and float to earth as gently as a dandelion seed.

The illusion was so convincing that Achilles' eight-year-old brain couldn't see why it wouldn't work in real life.

His family was rich—all Quebecois families were, thanks to Hudson Hydro—so Achilles lived in a real house, a single stand-alone dwelling with a yard and everything. He grabbed an umbrella from the closet, let it bloom, and—clutching tightly with both hands—jumped off the front porch. The drop was only a meter and a half, but that was enough; he could feel the umbrella grabbing at the air above him, slowing his descent.

Buoyed by this success, Achilles moved on to Phase Two. His sister Penny, two years younger, held him in almost supernatural esteem; it was dead easy to talk her into scrambling up the trellis and onto the roof. It took a bit more effort to coax her to the very peak of the gable, which must have been a good seven meters above ground—but when your big-brother-who-you-idolize is calling you a chickenshit, what are you supposed to do? Penny inched her way to the apex and stood teetering at the edge, the dome of the umbrella framing her face like a big black halo. For a moment Achilles thought the experiment would fail: he had to bring out his ultimate weapon and call her "Penelope"—twice—before she jumped.

There was nothing to worry about, of course. Achilles already knew it would work; the umbrella had slowed him after all, even during a drop of a measly meter or so, and Penny weighed a lot less than he did.

Which made it all the more surprising when the umbrella snapped inside-out, whap!, right before his eyes. Penny dropped like a rock, landed on her feet with a snap and crumpled on the spot.

In the moment of complete silence that followed, several things went through the mind of eight-year-old Achilles Desjardins. First was the fact that the goggle-eyed look on Penny's face had been really funny just before she hit. Second was confusion and disbelief that the experiment hadn't proceeded as expected; he couldn't for the life of him figure out what had gone wrong. Third came the belated realization that Penny, for all the hilarity of her facial expression, might actually be hurt; maybe he should try and do something about that.

Lastly, he thought of the trouble he was going to be in if his parents found out about this. That thought crushed the others like bugs under a boot.

He rushed over to the crumpled form of his sister on the lawn. "Geez, Penny, are you—are you—"

She wasn't. The umbrella's ribs had torn free of the fabric and slashed her across the side of the neck. One of her ankles was twisted at an impossible angle, and had already swollen to twice its normal size. There was blood everywhere.

Penny looked up, lip trembling, bright tears quivering in her eyes. They broke and ran down her cheeks as Achilles stood over her, scared to death.

"Penny—" he whispered.

"I—it's okay," she quavered. "I won't tell anyone. I promise." And—broken and bleeding and teary-eyed, eyes brimming with undiminished adoration for Big Brother—she tried to get up, and screamed the instant she moved her leg.

Looking back as an adult, Desjardins knew that that couldn't have been the moment of his first erection. It was, however, the first one that stuck in his mind. He hadn't been able to help himself: she had been so helpless. Broken and bleeding and hurt. He had hurt her. She had meekly walked the plank for him, and after she'd fallen and snapped like a twig she'd looked up at him, still worshipful, ready to do whatever it took to keep him happy.

He didn't know why that made him feel this way—he didn't even know what this way was, exactly—but he liked it.

His willy hard as a bone, he reached out to her. He wasn't sure why—he was grateful that she wasn't going to tell, of course, but he didn't think that's what this was about. He thought—as his hand touched his sister's fine brown hair—that maybe this was about seeing how much he could get away with...

Not much, as it turned out. His parents were on him in the next second, shrieking and striking. Achilles raised his hands against his father's blows, cried "I saw it on Mary Poppins!", but the alibi didn't fly any more than Penny had; Dad kicked the shit out of him and threw him into his room for the rest of the day.

It couldn't have ended any differently, of course. Mom and Dad always found out. It turned out the little bump that both Achilles and Penny had under their collarbones sent out a signal when either of them got hurt. And after the Mary Poppins Incident, not even the implants were enough for Mom and Dad. Achilles couldn't go anywhere, not even the bathroom, without three or four skeeters following him around like nosy floating rice grains.

All in all, that afternoon taught him two things that shaped the rest of his life. One was that he was a wicked, wicked boy who could never ever give in to his impulses no matter how good it made him feel, or he would go straight to Hell.

The other was a profound and lifelong appreciation of the impact of ubiquitous surveillance.

Confidence Limits

There are no rifter MDs. The walking wounded don't generally excel in the art of healing.

Of course, there's never been any shortage of rifters in need of healing. Especially after the Corpse Revolt. The fish-heads won that war hands down, but they took casualties just the same. Some died. Others suffered injuries and malfunctions beyond the skill of their own off-the-shelf medical machinery. Some needed help to stay alive; others, to die in something less than agony.

And all the qualified doctors were on the other side.

No one was going to trust their injured comrades to the tender mercies of a thousand sore losers just because the corpses had the only hospital for four thousand klicks. So they grafted a couple of habs together fifty meters off Atlantis's shoulder, and furnished it with medical equipment pillaged from enemy infirmaries. Fiberop let the corpses' meatcutters practice their art by remote control; explosive charges planted on Atlantis's hull inspired those same meatcutters to be extra careful in matters of potential malpractice. The losers took very good care of the winners, on pain of implosion.

Eventually tensions eased. Rifters stopped avoiding Atlantis out of distrust, and began avoiding it out of indifference instead. Gradually, the realization dawned that the rest of the world posed a greater threat to rifters and corpses alike than either did to the other. Lubin took down the charges somewhere during year three, when most everyone had forgotten about them anyway.

The medhab still gets a fair bit of use. Injuries happen. Injuries are inevitable, given rifter tempers and the derived weakness of rifter bones. But at the moment it holds only two occupants, and the corpses are probably thanking their portfolios that the rifters cobbled this facility together all those years ago. Otherwise, Clarke and Lubin might have dragged themselves into Atlantis—and everyone knows where they've been.

As it is, they only ventured close enough to hand off Irene Lopez and the thing that dined upon her. Two clamshell sarcophagi, dropped from one of Atlantis's engineering locks on short notice, devoured that evidence and are even now sending their findings up fiberop umbilicals. In the meantime Clarke and Lubin lie side-by-side on a pair of operating tables, naked as cadavers themselves. It's been a long time since any corpse dared give an order to a rifter, but they've acquiesced to Jerenice Seger's "strong recommendation" that they get rid of their diveskins. It was a tougher concession than Clarke lets on. It's not that simple nudity discomfits her; Lubin has never tripped Clarke's usual alarms. But the autoclave isn't just sterilizing her diveskin; it's destroying it, melting it back down to a useless slurry of protein and petroleum. She's trapped, naked and vulnerable, in this tiny bubble of gas and spun metal. For the first time in years, she can't simply step outside. For the first time in years the ocean can kill her—all it has to do is crush this fragile eggshell and clench around her like a freezing liquid fist…

It's a temporary vulnerability, of course. New diveskins are on the way, are being extruded right now. Clarke just has to hold out another fifteen or twenty minutes. But in the meantime she feels worse than naked. She feels skinned alive.

It doesn't seem to bother Lubin much. Nothing does. Of course, Lubin's teleop is being a lot less invasive than Clarke's. It's only taking samples: blood, skin, swabs from around the eyes and anus and seawater intake. Clarke's machine is digging deep into the flesh of her leg, displacing muscle and resetting bone and waving its gleaming chopstick arms like some kind of chrome spider performing an exorcism. Occasionally the smell of her own cauterizing flesh wafts faintly up the table. Presumably her injury is under repair, although she can't really tell; the table's neuroinduction field has her paralyzed and insensate below the stomach.

"How much longer?" she asks. The teleop ignores her without dropping a stitch.

"I don't think there's anyone there," Lubin says. "It's on autopilot."

She turns her head to look at him. Eyes dark enough to be called black look back at her. Clarke catches her breath; she keeps forgetting what naked really means, down here. What is it the drybacks say? The eyes are the windows to the soul. But the windows into rifter souls are supposed to have frosted panes. Uncapped eyes are for corpses: this doesn't look right, it doesn't feel right. It looks as though Lubin's eyes have been pulled right out of his head, as though Clarke is looking into the wet sticky darkness inside his skull.

He rises on the table, oblivious to his own gory blindness, and swings his legs over the edge. His teleop withdraws to the ceiling with a few disapproving clicks.

A comm panel decorates the bulkhead within easy reach. He taps it. "Ambient channel. Grace. How are you coming with those 'skins?"

Nolan answers in her outdoor voice: "We're ten meters off your shoulder. And yes, we remembered to bring extra eyecaps." A soft buzz—acoustic modems are bad for background noise sometimes. "If it's okay with you, though, we'll just leave 'em in the 'lock and be on our way."

"Sure." Lubin's face is expressionless. "No problem."

Clanks and hisses from down on the wet deck.

"There you go, sweetie," Nolan buzzes.

Lubin drills Clarke with those eviscerated eyes. "You coming?"

Clarke blinks. "Any place in particular?"

"Atlantis."

"My leg—" but her teleop is folding up against the ceiling as she speaks, its slicing and dicing evidently completed.

She struggles to prop her upper body up on its elbows; she's still dead meat below the gut, although the hole in her thigh has been neatly glued shut. "I'm still frozen. Shouldn't the field—"

"Perhaps they were hoping we wouldn't notice." Lubin takes a handpad off the wall. "Ready?"

She nods. He taps a control. Feeling floods her legs like a tidal bore. Her repaired thigh awakens, a sudden tingling swarm of pins and needles. She tries to move it. She succeeds, with difficulty.

She sits up, grimacing.

"What're you doing out there?" the intercom demands. After a moment, Clarke recognizes the voice: Klein. Shutting down the field seems to have caught his attention.

Lubin disappears into the wet room. Clarke kneads her thigh. The pins and needles persist.

"Lenie?" Klein says. "What—"

"I'm fixed."

"No you're not."

"The teleop—"

"You have to stay off that leg for at least six more hours. Preferably twelve."

"Thanks. I'll take it under advisement." She swings her legs over the edge of the table, puts some weight on the good one, gradually shifts weight to the other. It buckles. She grabs the table in time to keep from keeling over.

Lubin steps back into view, a carrysack slung over his shoulder. "You okay?" His eyes are capped again, white as fresh ice.

Clarke nods, strangely relieved. "Hand me that diveskin."

Klein heard that. "Wait a second—you two have not been cleared for—I mean—"

The eyes go in first. The tunic slithers eagerly around her torso. Sleeves and gauntlets cling like welcome shadows. She leans against Lubin for support while she dons the leggings—the tingling in her thigh is beginning to subside, and when she tries out the leg again it takes her weight for a good ten seconds before giving out. Progress.

"Lenie. Ken. Where are you going?"

Seger's voice, this time. Klein's called for reinforcements.

"We thought we'd come for a visit," Lubin says.

"Are you sure you've thought that through?" Seger says calmly. "With all due respect—"

"Is there some reason we shouldn't?" Lubin asks innocently.

"Lenie's l—"

"Beyond Lenie's leg."

Dead air in the room.

"You've analyzed the samples by now," Lubin remarks.

"Not comprehensively. The tests are fast, not instantaneous."

"And? Anything?"

"If you were infected, Mr. Lubin, it only happened a few hours ago. That's hardly enough time for an infection to reach detectable levels in the bloodstream."

"That's a no, then." Lubin considers. "What about our 'skins? Surely you would have found something on the diveskin swabs."

Seger doesn't answer.

"So they protected us," Lubin surmises. "This time."

"As I said, we haven't finished—"

"I understood that ßehemoth couldn't reach us down here," he remarks.

Seger doesn't answer that either, at first.

"So did I," she says finally.

Clarke takes a half-hop towards the airlock. Lubin offers an arm.

"We're coming over," he says.

Half a dozen modelers cluster around workstations at the far end of the Comm Cave, running sims, tweaking parameters in the hopes that their virtual world might assume some relevance to the real one. Patricia Rowan leans over their shoulders, studying something at one board; Jerenice Seger labors alone at another. She turns and catches sight of the approaching rifters, raises her voice just slightly in an alarm call disguised as a greeting: "Ken. Lenie."

The others turn. A couple of the less-experienced back away a step or two.

Rowan recovers first, her quicksilver eyes unreadable: "You should spare that leg, Lenie. Here." She grabs an unused chair from a nearby station and rolls it over. Clarke sinks gratefully into it.

Nobody makes a fuss. The assembled corpses know how to follow a lead, even though some of them don't seem too happy about it.

"Jerry says you've dodged the bullet," Rowan continues.

"As far as we know," Seger adds. "For now."

"Which implies a bullet to dodge," Lubin says.

Seger looks at Rowan. Rowan looks at Lubin. The number crunchers don't look anywhere in particular.

Finally, Seger shrugs. "D-cysteine and d-cystine, positive. Pyranosal RNA, positive. No phospholipids, no DNA. Intracellular ATP off the scale. Not to mention you can do an SEM of the infected cells and just see the little fellows floating around in there." She takes a deep breath. "If it's not ßehemoth, it's ßehemoth's evil twin brother."

"Shit," says one of the modelers. "Not again."

It takes Clarke a moment to realize that he's not reacting to Seger's words, but to something on the workstation screen. She leans forward, catches sight of the display through the copse of personnel: a volumetric model of the Atlantic basin. Luminous contrails wind through its depths like many-headed snakes, bifurcating and converging over continental shelves and mountain ranges. Currents and gyres and deep-water circulation iconised in shades of green and red: the ocean's own rivers. And superimposed over the entire display, a churlish summary:

Failure to converge. Confidence limits exceeded.

Further predictions unreliable.

"Bring down the Labrador Current a bit more," one of the modelers suggests.

"Any more and it'll shut down completely," another one says.

"So how do you know that isn't exactly what happened?"

"When the Gulf Stream—"

"Just try it, will you?"

The Atlantic clears and resets.

Rowan turns from her troops and fixes Seger. "Suppose they can't figure it out?"

"Maybe it was down here all along. Maybe we just missed it." Seger shakes her head, as if skeptical of her own suggestion. "We were in something of a hurry."

"Not that much hurry. We checked every vent within a thousand kilometers before we settled on this site, did we not?"

"Somebody did," Seger says tiredly.

"I saw the results. They were comprehensive." Rowan seems almost less disturbed by ßehemoth's appearance than by the thought that the surveys might have been off. "And certainly none of the surveys since have shown anything…" She breaks off, struck by some sudden thought. "They haven't, have they? Lenie?"

"No," Clarke says. "Nothing."

"Right. So, five years ago this whole area was clean. The whole abyssal Atlantic was clean, as far as we know. And how long can ßehemoth survive in cold seawater before it shrivels up like a prune and dies?"

"A week or two," Seger recites. "A month max."

"And how long would it take to get here via deep circulation?"

"Decades. Centuries." Seger sighs. "We know all this, Pat. Obviously, something's changed."

"Thanks for that insight, Jerry. What might that something be?"

"Christ, what do you want from me? I'm not an oceanographer." Seger waves an exasperated hand at the modelers. "Ask them. Jason's been running that model for—"

"Semen-sucking-motherfucking stumpfucker!" Jason snarls at the screen. The screen snarls back:

Failure to converge. Confidence limits exceeded.

Further predictions unreliable.

Rowan closes her eyes and starts again. "Would it be able to survive in the euphotic zone, at least? It's warmer up there, even in winter. Could our recon parties have picked it up and brought it back?"

"Then it would be showing up here, not way over at Impossible Lake."

"But it shouldn't be showing up anywh—"

"What about fish?" Lubin says suddenly.

Rowan looks at him. "What?"

"ßehemoth can survive indefinitely inside a host, correct? Less osmotic stress. That's why they infect fish in the first place. Perhaps they hitched a ride."

"Abyssal fish don't disperse," Seger says. "They just hang around the vents."

"Are the larvae planktonic?"

"Still wouldn't work. Not over these kinds of distances, anyway."

"With all due respect," Lubin remarks, "you're a medical doctor. Maybe we should ask someone with relevant expertise."

It's a jab, of course. When the corpses were assigning professional berths on the ark, ichthyologists didn't even make the long list. But Seger only shakes her head impatiently. "They'd tell you the same thing."

"How do you know?" There's an odd curiosity in Rowan's voice.

"Because ßehemoth was trapped in a few hot vents for most of Earth's history. If it had been able to disperse inside plankton, why wait until now to take over the world? It would have done it a few hundred million years ago."

Something changes in Patricia Rowan. Clarke can't quite put her finger on it. Maybe it's some subtle shift in the other woman's posture. Or perhaps Rowan's ConTacts have brightened, as if the intel twinkling across her eyes has slipped into fast-forward.

"Pat?" Clarke asks.

But suddenly Seger's coming out of her chair like it was on fire, spurred by a signal coming over her earbud. She taps her watch to bring it online: "I'm on my way. Stall them."

She turns to Lubin and Clarke. "If you really want to help, come with me."

"What's the problem?" Lubin asks.

Seger's already halfway across the cave. "More slow learners. They're about to kill your friend."

Cavalry

There are lines drawn everywhere in Atlantis, four-centimeter gaps that circumscribe whole corridors as if someone had chainsawed right through the bulkheads at regular intervals. The gaps are flagged by cautionary bands of diagonal striping to either side, and if you stand astride one of them and look up to where it passes overhead, you'll see why: each contains a dropgate, poised to guillotine down in the event of a hull breach. They're such convenient and ubiquitous boundaries that parties in opposition have always tended to use them as lines in the sand.

Parties like the half-dozen corpses hanging back at the junction, too scared or too smart to get involved. Parties like Hannuk Yeager, dancing restlessly on the far side of the striped line, keeping them all at bay fifteen meters upwind of the infirmary.

Lubin shoulders through the chickenshit corpses, Clarke hobbling in his wake. Yeager bares his teeth in greeting: "Party's four doors down on the left!" His capped eyes narrow at their corpse escorts.

Clarke and Lubin pass. Seger tries to follow; Yeager catches her around the throat and holds her there, squirming. "Invitation only."

"You don't—" Yeager clenches; Seger's voice chokes down to a whisper. "You want...Gene to die...?"

"Sounds like a threat," Yeager growls.

"I'm his doctor!"

"Let her go," Clarke tells him. "We might need her."

Yeager doesn't budge.

Oh shit, Clarke thinks. Is he primed?

Yeager's got a mutation: too much monoamine oxidase in his blood. It breaks down the brain chemicals that keep people on an even keel. The authorities tweaked him to compensate, back in the days when they could get away with such things, but he learned to get around it somehow. Sometimes he deliberately strings himself so tight that a sideways glance can send him off the deep end. It gets him off. When that happens, it doesn't matter all that much whether you're friend or foe. Times like that, even Lubin takes him seriously.

Lubin's taking him seriously now. "Let her past, Han." His voice is calm and even, his posture relaxed.

From down the corridor, a groan. The sound of something breaking.

Yeager snorts and tosses Seger aside. The woman staggers coughing against the wall.

"You too," Lubin says to Rowan, who's still discretely behind the striped line. To Yeager: "If it's okay with you, of course."

"Shit," Yeager spits. "I don't give a fuck." His fingers clench and unclench as if electrified.

Lubin nods. "You go on," he says casually to Clarke. "I'll help Han hold the fort."

It's Nolan, of course. Clarke can hear her snarling as she nears the medbay: "Ah, the little fuckhead's gone and shit himself..."

She squeezes through the hatch. The sour stench of fear and feces hits her in the face. Nolan, yes. And she's got Creasy backing her up. Klein's been thrown into the corner, broken and bleeding. Maybe he tried to get in the way. Maybe Nolan just wanted him to.

Gene Erickson's awake at last, crouching on the table like a caged animal. His splayed fingers push against the isolation membrane and it just stretches, like impossibly thin latex. The further he pushes, the harder it pulls; his arm isn't quite extended but the membrane's tight as it's going to go, a mass of oily indestructible rainbows swirling along lines of resistable force.

"Fuck," he growls, sinking back.

Nolan squats down and cocks her head, birdlike, a few centimeters from Klein's bloody face. "Let him out, sweetie."

Klein drools blood and spit. "I told you, he's—"

"Get away from him!" Seger pushes into the compartment as though the past five years—as though the past five minutes—never happened. She barely gets her hand on Nolan's shoulder before Creasy slams her into a bulkhead.

Nolan brushes imaginary contaminants from the place where Seger touched her. "Don't damage the head," she tells Creasy. "Could be a password in there."

"Everybody." Rowan, at least, is smart enough to stay in the corridor. "Just. Calm. Down."

Nolan snorts, shaking her head. "Or what, stumpfuck? Are you going call security? Are you going to have us ejected from the premises?"

Creasy's white eyes regard Seger from mere centimeters away, a promise of empty and mindless violence set above a grinning bulldozer jaw. Creasy, it is said, has a way with women. Not that he's ever fucked with Clarke. Not that anyone does, as a rule.

Rowan looks through the open hatch, her expression calm and self-assured. Clarke sees the plea hidden behind the confident façade. For a moment, she considers ignoring it. Her leg tingles maddeningly. At her elbow Creasy makes kissy-kissy noises at Seger, his hand viced around the doctor's jaw.

Clarke ignores him. "What's the deal, Grace?"

Nolan smiles harshly. "We managed to wake him up, but Normy here" —an absent punch at Klein's head— "put some kind of password on the table. We can't dial down the membrane."

Clarke turns to Erickson. "How you feeling?"

"They did something to me." He coughs. "When I was in coma."

"Yes we did. We saved his—" Creasy bumps Seger's head against the bulkhead. Seger shuts up.

Clarke keeps her eyes on Erickson. "Can you move without spilling your intestines all over?"

He twists clumsily around to show off his abdomen; the membrane stretches against his head and shoulder like an amniotic sac. "Miracles of modern medicine," he tells her, flopping onto his back. Sure enough, his insides have all been packed back where they belong. Fresh pink scars along his abs complement the older ones on his thorax.

Jerenice Seger looks very much as if she wants to say something. Dale Creasy looks very much as if he wants her to try.

"Let her talk," Clarke tells him. He loosens his grip just slightly; Seger looks at Clarke and keeps her mouth shut.

"So what's the story?" Clarke prompts. "Looks like you glued him back together okay. It's been almost three days."

"Three days," Seger repeats. Her voice is squeezed thin and reedy under Creasy's grip. "He was almost disemboweled, and you think three days is enough time to recover."

In fact, Clarke's sure of it. She's seen torn and broken bodies before; she's seen multiarmed robots reassemble them, lay fine electrical webbing into their wounds to crank healing up to a rate that would be miraculous if it weren't so routine. Three days is more than enough time to drag yourself back outside, seams still oozing maybe but strong enough, strong enough; and once you're weightless again, and sheltered by the endless black womb of the abyss, you've got all the time in the world to recover.

It's something the drybacks have never been able to grasp: what keeps you weak is the gravity.

"Does he need more surgery?" she asks.

"He will, if he isn't careful."

"Answer the fucking question," Nolan snarls.

Seger glances at Clarke, evidently finds no comfort there. "What he needs is time to recover, and coma will cut that by two thirds. If he wants to get out of here quickly, that's his best option."

"You're keeping him here against his will," Nolan says.

"Why—" Rowan begins from the corridor.

Nolan wheels on her. "You shut the fuck up right now."

Rowan calmly pushes her luck. "Why would we want to keep him here if it weren't medically necessary?"

"He could rest up in his own hab," Clarke says. "Outside, even."

Seger shakes her head. "He's running a significant fever—Lenie, just look at him!"

She's got a point. Erickson's flat on his back, apparently exhausted. A sheen of perspiration slicks his skin, almost lost behind the more conspicuous glistening of the membrane.

"A fever," Clarke repeats. "Not from the operation?"

"No. Some kind of opportunistic infection."

"From what?"

"He was mauled by a wild animal," Seger points out, exasperated. "There's no end to the kind of things you can pick up from something as simple as a bite, and he was nearly eviscerated. It would be almost inconceivable if there weren't complications."

"Hear that, Gene?" Clarke says. "You've got fish rabies or something."

"Fuckin' A," he says, staring at the ceiling.

"So it's your call. Want to stay here, let 'em fix you? Or trust to drugs and take your chances?"

"Get me out of here," Erickson says weakly.

She turns back to Seger. "You heard him."

Seger draws herself up, impossibly, perpetually, insanely defiant. "Lenie, I asked you to come along to help. This is the furthest thing from—"

Creasy's fist hits her in the stomach like a wrecking ball. Seger oofs and topples to the side. Her head hits the bulkhead on the way down. She lies there, gulping breathlessly.

Out of the corner of her eye Clarke sees Rowan step forward, then think better of it.

She stares evenly at Creasy. "Not necessary, Dale."

"High and mighty cunt was just asking for it," Creasy grumbles.

"And how's she going to let Gene out of jail if she can't even breathe, you idiot?"

"Really, Len. What's the big deal?"

Nolan. Clarke turns to face her.

"You know what they did to us," Nolan continues, rising at Creasy's side. "You know how many of us these pimps fucked over. Killed, even."

Fewer than I did, Clarke doesn't say.

"I say if Dale wants to go to town on this stumpfuck, let him." Nolan puts a comradely hand on Creasy's shoulder. "Might go a tiny way to balancing the books, y'know?"

"You say," Clarke says quietly. "I say different."

"Now there's a surprise." The trace of a smile ghosts across Nolan's face.

They stare at each other through their corneal shields. Across the compartment, Klein whimpers; Jerenice Seger seems to be breathing again at their feet. Creasy looms close at Clarke's shoulder, an ominous presence just short of overt threat.

She keeps her breathing slow and even. She lowers herself into a squat—carefully, carefully, her bad leg nearly buckling again—and helps Seger into a sitting position.

"Let him out," she says.

Seger mutters into her wristwatch. A keyboard jammed with strange alphanumerics lights up the skin of her forearm; she taps a sequence with her other hand.

The isolation tent pops softly. Erickson pushes a tentative finger through the membrane, finds it unlocked, and lurches off the table as if passing through a soap bubble. His feet hit the deck with a fleshy slap. Nolan holds out a diveskin she's produced from somewhere: "Welcome back, buddy. Told you we'd get you out."

They leave Clarke with the corpses. Seger hauls herself to her feet, ignoring Clarke's offered hand and bracing herself against the bulkhead. One hand still clutches protectively at her stomach. She lurches over to Klein.

"Norm? Norm?" She squats next to her subordinate, stiff-limbed, and pushes back one of his eyelids. "Stay with me..." Droplets of blood dribble from her scalp and splatter onto the medic's pummeled face, making no difference at all. Seger curses and wipes the back of her hand across her injury.

Clarke steps forward to help. Her foot comes down on something small and hard, like a small stone. She lifts her foot. A tooth, sticky with coagulating fluids, clatters softly onto the deck.

"I—" Clarke begins.

Seger turns. Rage simmers on her face. "Just get out of here."

Clarke stares at her for a moment. Then she turns on her heel and leaves.

Rowan's waiting in the corridor. "This can't happen again."

Clarke leans against the bulkhead to take some weight off her injured leg. "You know Grace. She and Gene are—"

"It's not just Grace. At least, it won't be for long. I said something like this might happen."

She feels very tired. "You said you wanted space between the two sides. So why was Jerry keeping Gene here when he wanted to leave?"

"Do you think she wanted that man around? She was looking out for the welfare of her patient. That's her job."

"Our welfare is our own concern."

"You people simply aren't qualified—"

Clarke raises one pre-emptive had. "Heard it, Pat. The little people can't see the Big Picture. Joe Citizen can't handle the truth. The peasants are too eeegnorant to vote." She shakes her head, disgusted. "It's been five years and you're still patting us on the head."

"Are you saying that Gene Erickson is a more qualified diagnostician than our Chief of Medicine?"

"I'm saying he has the right to be wrong." Clarke waves an arm down the corridor. "Look, maybe you're right. Maybe he'll come down with gangrene and come crawling back to Jerry inside a week. Or maybe he'd rather die. But it's his decision."

"This isn't about gangrene," Rowan says softly. "And it isn't about some common low-grade infection. And you know it."

"And I still don't see what difference it makes."

"I told you."

"You told me about a bunch of frightened children who can't believe that their own defenses will hold. Well, Pat, the defenses will hold. I'm living proof. We could be drinking ßehemoth in pure culture and it wouldn't hurt us."