“You think I can cure it,” said Kira.
“I think something in your body holds the secret that will help me cure it,” said Morgan. “The last time I had you in a lab, when we discovered you were a Partial—another secret the ‘Trust’ kept from me—my initial scans determined that despite being a Partial, you had none of the genetic handicaps the others have: no sterility, no fixed age, no inhibition of growth or any other human function. If it turns out that you have no expiration date either, there might be a way to reverse engineer certain fragments of your genetic code to help save the rest of the Partials.”
“I’ve already told you that this is impossible,” said Vale. “I’m the one who programmed the expiration date—I’m sorry I couldn’t tell you at the time, but there it is. You were unstable, and no, we didn’t trust you. It wasn’t just you, though—Armin didn’t trust me with some of the pieces, either.”
Armin, thought Kira. My father—or the man I used to think was my father. He took me home to raise as his own, he never even told me what I was. Maybe he would have, one day. Now nobody even knows where he is. She wondered if he was dead. Everyone else in the Trust had survived the Break—Trimble and Morgan here with the Partials, Vale in the Preserve with a group of hidden humans, Ryssdal in Houston working on “environmental issues,” whatever that meant, and Nandita on Long Island with the humans.
Nandita. The woman who raised me, who also didn’t tell me I was a Partial.
Dr. Morgan tried to kill me, but at least she hasn’t pretended to be something she isn’t.
“Even if you can find something in there,” Vale continued, “how are you going to incorporate it into the Partials’ genetic sequence? Gene mods? You’re talking about hundreds of thousands of people—even if we had the facilities and the personnel to mount that kind of a mass modification effort, we don’t have the time to pull it off. How many Partials are left, half a million?”
“Two hundred thousand,” said Morgan, and Kira couldn’t help but gasp at the low number. Morgan’s voice was grim and exhausted. “They were created in batches, so they die in them as well. The next wave is due in just a few weeks.”
“And they’re all soldiers,” said Vale. “Infantry and pilots and maybe a few commandos, but the leaders are all dead—more to the point, the doctors are all dead. It’ll be up to you and me, and we wouldn’t be able to process even a tenth of what’s left before their time runs out—even if we already knew how.”
“That’s why we have to do something,” said Kira. She thought of Samm, and everything they’d shared, and their final, terrifying, passionate moment together. She loved him, and if her sacrifice here could keep him alive … “Everyone in the world is dying, humans and Partials, and I gave myself up because this is our best shot at saving anyone. So let’s get on with it.”
Vale’s expression darkened. “I’m trying to help you, Kira, don’t get snotty with me.”
“You don’t know her very well,” said Morgan, and her voice softened.
Vale stared at her a moment, then snarled and turned away.
Morgan looked at Kira. “Last time, we scanned your reproductive system only peripherally—back when we thought you were human, it wasn’t a priority. Today we’re going to do several biopsies.”
Kira’s hips and abdomen already felt numb and lifeless from the anesthetic. She looked back at Morgan, steeling her resolve, and nodded silently.
“Engage,” said Morgan, and the spider unfurled its knives.
“Disengage that last hose,” said Heron. Her voice sounded tinny and distant through the radio, and Samm bristled again at the oddness of trying to communicate without the link. Partials used pheromonal communication because it was efficient, folding words and emotions and tactical information into a single, silent package. Working side by side, yet communicating solely through the radios in their helmets, felt like being deaf and mute. He still didn’t understand how humans did it.
As difficult as dealing with the repurposed diving gear was, though, it was necessary. If either of them breathed a whiff of the air in the laboratory, they’d be unconscious in seconds.
Samm slowly disengaged the final hose from the unconscious Partial’s odd metal face mask. There were ten comatose Partials here in Dr. Vale’s old laboratory, fast asleep in a secret subbasement of the Preserve. Vale had kept them here, unconscious, for thirteen years, tending them like plants and harvesting the Lurker pheromone from their bodies—an engineered chemical, naturally produced by all Partials, which served as the only known cure for RM. These Partials had kept the humans of the Preserve alive for over a decade, allowing them to raise healthy children—something the humans on Long Island had been completely unable to do. These ten Partials—But no, Samm corrected himself, these nine Partials. These nine Partials had given the Preserve a life and hope no other human had felt since the end of the world. Maybe even before that. They were saviors. But they were unwitting, unwilling, unconscious saviors, and Samm could not allow that to continue. The tenth Partial, this last one with the odd-looking face mask, had been modified by Dr. Vale to produce a different pheromone: one that would instantly render any Partial comatose. His mere proximity was a weapon.
Samm and Heron were disconnecting him, but they still had no idea what to do with him.
“That hose was pumping his sedative throughout the building,” said Heron. “Now that we’ve cut off his access, the effect should be limited to his immediate presence.”
“He’s got a tag,” said Samm, leaning in closer. “Williams.” He flipped the dog tag over, reading the numbers on the back; he couldn’t interpret them perfectly, but he knew the coding system well enough to know that Williams had been assigned to the third regiment. The group we left behind, back in the rebellion, to guard Denver and NORAD after we’d taken them. He guessed that the other Partials in the room had come from the same group. He flipped the tag over again, hoping to find something he’d missed, but there was nothing. It wasn’t surprising, exactly—most Partials only had a first name—but it was odd to find one who only had a last name. He wondered what the man’s story was, where his name had come from, what he’d done and what he’d thought and how he’d lived, but that information was lost forever now. His own genes would keep him sedated for the rest of his life.
It was the cruelest thing Samm had ever witnessed, and Samm had watched the world end.
“This mask is grafted on,” said Heron, probing Williams’s face mask with gloved fingers. Samm looked closer and saw that she was right—it wasn’t really a mask at all, more of a cybernetic implant that covered, or perhaps replaced, the man’s nose, mouth, jaw, and neck. Vents stood out on the side like gills, and the surface was covered with nozzles and valves. His entire body was rebuilt for a single purpose, thought Samm, to spread this sedative, but then he paused and considered his own body. I was built for a single purpose too. All of us were. We’re weapons, just like him.
I’m even designed to destroy myself, when I reach my expiration date.
In eight months.
“We still haven’t decided what to do with him,” said Samm.
“We can leave him here for now,” said Heron. “Vale kept him healthy for years, and he’s still hooked up to life support. Now that the hoses are disconnected, we can access the rest of the building without these stupid helmets, and we can move the rest of the Partials up