At first it's relatively easy, but later we find we are attacking polities where the defenses are heavier, and later still Curious Yellow starts programming the civilians to fight bitterly and without quarter. I've seen naked children, shaking in the grip of an existential breakdown, walking toward panzers with Vorpal blades clutched inexpertly in both hands. And I've seen worse things than that. The idea of Curious Yellow, of surrender to a higher cause, seems to appeal to a certain small subset of humanity. These people manipulate the worm, customizing its payload to establish quisling dictatorships in its shadow, and the horrors these gauleiters invent in its service are far worse than the crude but direct tactics the original worm used.

Quite late on in the campaign I realize this and, in a fitful flashback to my earlier self, I begin to spend some of my spare time thinking about the implications. My study of the psychology of collaboration becomes one of the most heavily accessed stacks in the Cats' internal knowledge base. So it probably shouldn't come as a surprise when I receive a summons to headquarters, combined with orders to converge my deltas and revert to orthohuman skin before transit.

At first I'm apprehensive. I've grown used to being an armored battalion, spending most of my seconds between action in icy orbit around a convenient failed star or exoplanet. Breathing and eating and sleeping and emoting are worrying, senseless handicaps. I recognize that they are of interest in comprehending the enemy motivational framework, and allowances must be made for them among the people we liberate, but why should I subject myself to the frailties of flesh? But eventually I realize that it's not about me. I need to be able to work with the headquarters staff. So I reconverge my various selves, erasing my identity from the kilotons of heavy metal that have until so recently been my limbs, and I report to the nearest field command node for up-processing.

WHEN I come to, I find I'm leaning over the A-gate control panel. In my left hand I'm clutching a dripping knife so tightly that my fingers are close to cramping. There's blood halfway across the room, forming an obscene lake.

If I got it right, he won't have had time to use his netlink. He'll have been in acute physical agony as his head came out of the bag, then he'll have blacked out because of blood loss. Unconsciousness within ten seconds: It's more than he deserved.

But now I've got a huge problem, namely a hundred and ten kilos of dead meat lying in about ten liters of gore in the middle of a grass carpet that's already dying. Is this incriminating or what? Oh, and my sweater and skirt and sensible shoes are covered in blood. This does not look good.

I laugh, and it comes out as a hysterical giggle with more than a little madness in it. This is bad, I think. But there's got to be something —

For a moment I flash back to the time with the malfunctioning A-gate, the pools of fluid and lumps of deanimated meat. That helps stabilize me, in a way: It makes it clear what I have to do. I pick up Fiore's arm and give it an experimental tug. His sallow flesh ripples, and when I put my back into it, he jerks free of the carpet and skids a few centimeters toward me. I grunt and tug again, but it's not easy to move him so I pause for a bit and look around. There's some kind of cabling on one of the tool shelves, so I go over and grab a couple of meters of wire, twine it around his torso under the arms, and use it to pull him toward the A-gate. Finally, I get him into position, back inside the gate chamber. It's hard to keep him inside—one leg keeps flopping out—but eventually I figure out that I can hold him in if I use the rest of the cable to truss him up.

"Okay, take five," I tell myself breathlessly, bending over the field terminal. Talking to yourself, Reeve? I ask ironically. Are we going mad, yet? My fingers leave sticky reddish smears on it as I prod at virtch controls, but eventually I manage to bring up the conversational interface. The gate seems to have a load of scheduled background synthesis jobs queued up, but it's multitasking, and this is an interrupt: "Gate accept raw waste feedstock for disassembly okay."

"Okay," says the gate, and the door whines slightly as it seals around the evidence.

"Gate select template cleaning systems index that there, I want one of them, make me one of them okay."

"Okay, fabricating," says the gate. "Time to completion, three hundred and fifty seconds after end of current job." Ah, the conveniences of modern life.

I go upstairs to the common room and make myself a cup of tea.

While it's brewing, I strip off my outer clothes and drop them in the sink. We've got some basic cleaning equipment, and the detergent is pretty good at getting out stains, probably better than anything they had in the real dark ages. A couple of rinses, and my skirt and sweater are simply soaking wet, so I wring them out and drape them over the thermal vent and dial up the air temperature.

Back downstairs, I find the A-gate gaping open and the stuff I asked for sitting inside it. Fiore has been transformed into a carpet cleaning machine and a bunch of absorbent towels. It takes another trip upstairs to fill its tank with water. The smell of solvents makes me dizzy, but after half an hour I've gotten the visible bloodstains out of the carpet and off the walls and shelves. I can't easily do anything about the ceiling tiles, but unless you knew someone had been killed in here you'd just mistake the spots for a leak upstairs. So I put the carpet cleaner back in the gate and talk to myself.

"It's a blind," I say, then yawn. It must be the adrenaline rush finally subsiding. "Fiore, Yourdon, and the other one. Psywar specialists working on emergent group behavior controls." The blackouts seems to have jostled free some more fragmentary memories, dossiers on—"War criminals. Ran the security apparat for the Third People's Glorious Future Sphere. When the vermifuge was released, they went on the run. They've spent the past gigasecs working on a countervermifuge, then on a way to harden Curious Yellow."

I blink. Is this me, talking? Or a different me, using my speech centers to communicate with the rest of—whoever I am?

"Priority. Exfiltration. Priority. Exfiltration." My hands are moving over the gate control systems even without me willing them. "Shit!" I yelp. But there's no stopping them, they know what they're doing. They seem to be setting up an output program.

"System unavailable," says the gate, its tone of voice flat and unapologetic. "Longjump grid connectivity unavailable."

Whatever my hands are doing, it doesn't seem to work. Something has shaken loose inside my memory, something vast and ugly. "You must escape, Reeve," I hear my own voice telling me. "This program will auto-erase in sixty seconds. Network connectivity to external manifold is not available from this location. You must escape. Auto-erase in fifty-five seconds."

Even though I'm only wearing clothes-liners, I break out in a cold sweat up and down my spine. "Who are you?" I whisper.

"This program will auto-erase in fifty seconds," something inside me replies.

"Okay, I hear you! I'm going, I'm going already!" I'm terrified that when it says this program it means me —obviously it's some kind of parasite payload, like the Curious Yellow boot kernel. But where can I escape to? I look up, at the ceiling, and it clicks into place. I need to go up , through the walls of the world. Maybe, just maybe, this polity is interleaved with others—if so, if I can just break into an upper or lower deck, there may be a way to get to a T-gate and rejoin the manifold of the Invisible Republic. "Going up, right?"

"This program will auto-erase in thirty seconds. Escape vector approved. Conversational interface terminated."