The flight to the facility took four hours in a military transport that Petrov had arranged with the specific efficiency of a general who understood that operational timelines were not suggestions. It was a prop-driven aircraft, old, the kind that Russian military logistics relied on for remote facility supply because it could land on the gravel strips that constituted runways in the middle of Siberian nowhere. The interior held six seats and a cargo pallet and smelled like machine oil.
Adrian, Katya, Helena, and Voss took the four passenger seats. Morrison had stayed in Moscowâthe fourth device's logistics code had broken partially overnight, pointing to a distribution network in Central Europe that needed his direct oversight. He'd briefed Petrov at 0600 and been on a flight to Warsaw by 0800.
Petrov rode in the cockpit with the aircraft crew. He'd said, when the group assembled at the airfield, that this was for operational coordination. Katya's nine-layer perception had read it as a man who needed four hours without the specific kind of low-level vigilance that a cabin full of void-sensitive individuals and a Council Elder produced.
She didn't blame him.
Voss spent the flight reading from a tablet she'd produced from somewhere in her gray jacketâinternal documents, based on the speed of her scrolling and the specific attention she gave specific sections. She wasn't sharing the contents. She wasn't being secretive about not sharing them. She was simply reading what she needed to read before they arrived, and the others were not included in that preparation.
Helena slept within forty minutes of takeoff. Not the peaceful sleep of someone who'd gotten enoughâthe specific collapse of a person whose body had decided that the forward motion of a transport aircraft eliminated the option of continuing to defer. Her head against the window, the Moscow night replaced by the black of Siberian emptiness below.
Adrian didn't sleep. He hadn't needed to clarify this to anyoneâit was simply known, after three days in Moscow, that Adrian Cross didn't sleep in the way that other people slept. He sat in the fourth seat with his hands on his thighs and his eyes on the aircraft's riveted ceiling and counted.
Katya watched him count, when she wasn't watching Voss or monitoring the aircraft's ambient frequencies. The thread pulsed at 2.4 secondsâslower than the 2.1 from the previous evening, the continued non-thinking producing its continued reduction in the feeding rate. Whatever he was counting, it was keeping the analytical machinery in low gear.
At the two-hour mark, Voss set her tablet down.
"Mr. Cross."
He looked at her.
"I want to prepare you for what you'll encounter at the facility," she said. Her voice was the same precise, measured register she'd used throughoutâfacts delivered without editorializing, information shared with the specific minimum of emotional content that kept it from becoming something other than information. "The medical team has been managing Dmitri's presentation for the past six years. When I say managing, I mean maintaining his functional capacity at the highest achievable level given his dimensional architecture. They are good at their work. What you will see is not the worst possible outcome of a seventeen-year threadâit is the outcome with six years of expert management."
"Tell me what I'll see," Katya said.
Voss looked at her. The Elder's attentionâthe quality of it, the weight of it, the thirty-one years of institutional experience contained in itâmoving to the woman who'd been Dmitri Volkov's sister for fifty-three years and had spoken to him last in 2016.
"He moves differently," Voss said. "The seventeen years of void-energy accumulation have affected his proprioceptionâhis physical sense of his own body in space. He inhabits his body from a different position than you expect. Not dissociation. Not absence. More likeâ" She was choosing the word carefully. Not the clinical term. The one that described rather than classified. "âmore like he has learned to occupy himself from a slight remove. As if he's living in a house he knows very well but is not always standing in the same room of."
"His speech," Katya said.
"Variable. On good days, full sentences. Complex thought. The dimensional perception doesn't replace the linguistic capacityâit runs alongside it. On difficult days, the communication becomes fragmented. He moves between registersânormal human communication, the dimensional language he's developed over seventeen years, and something intermediate that the medical team has learned to parse but that sounds, to a person without his experience, like disconnected fragments."
"Can he recognize people?" Katya's voice was completely level. The practiced evenness that Katya's perception would have recognized in someone else as a frequency signature carrying suppressed emotion. She was doing it to herselfâmaintaining the surface flat while the deep layers ran their own data.
"He recognizes patterns. Frequencies. The medical team describes it as face-recognition that has been partly replaced by frequency-recognition. He will know you are present before you enter the room. He will know you areâ" Voss paused. "âhe will know who you are. Whether he communicates that recognition depends on the day."
"And today?"
"I don't know what today will be," Voss said. "I received a status report from the facility director this morning. He described Dmitri's state as elevated. The thread has been more active than usual over the past forty-eight hours." Her hands were flat on the tablet in her lap. The stillness. "The facility director didn't connect the timing to anything specific. I believe the connection is that the presence became aware of our visit and responded."
Adrian's thread pulsed. Katya read it automatically. Still 2.4 seconds. He was still counting whatever he was counting.
"Will he be able to communicate about the thread?" Adrian asked.
"That's what we're traveling to find out." Voss picked up her tablet. Looked at it. Didn't resume reading. "I should tell you that the Siberian facility was originally designed as a research installationâthe Council's primary void-energy research center, built in 2012 to study Dmitri's condition after the first two years of thread observation confirmed what we were dealing with. Over time, as his condition became more complex, the research function has given way to the medical function. The scientists who were there originally have mostly rotated out. The medical team has stayed." A pause. "They're attached to him. In the way that medical professionals become attached to patients they've cared for for a long time. I mention this because they may be protective in ways that complicate access."
"How complicated?" Adrian asked.
"They've refused Council requests before. Not defianceâthey've always maintained that the refusal was in Dmitri's medical interest. The Council has generally accommodated those refusals because antagonizing the medical team who are the primary interface between the Council's research agenda and the actual person they're trying to study is not operationally useful." Voss looked at Adrian. "They know about you. The facility director has been briefed that you're coming. The medical team has not been briefed on the specific nature of the visit."
"They know I have a thread," Adrian said.
"Yes."
"They're going to be protective."
"Extremely." Voss's voice carried, for the first time, a quality that Katya's perception registered as something warmer than the clinical precision she'd maintained throughout. Not sentimentalityâsomething adjacent to respect. "The lead clinician is a Dr. Aleksandra Reva. She's been managing Dmitri's care for eleven years. She knows his condition at a level of detail that our instruments can't capture because she's been in the room with him, talking to him, watching him respond to stimuli, learning his bad days and his better days by observation over a decade. She is the most accurate available model of what seventeen years of the thread produces in a person." Another pause. "She is also the most protective person in the facility. She believes the research agenda has damaged Dmitri. Not caused his conditionâthe anomaly caused his condition. But the research agenda has added stresses to his situation that Reva believes have accelerated the deterioration."
"She's right," Adrian said.
Voss looked at him.
"Every time a researcher tries to extract information from someone in Dmitri's condition, the analytical engagement required to cooperate with the researchâto process questions, formulate responsesâactivates the thread's incentive structure. The presence rewards analytical engagement. More analytical work means more feeding, faster deterioration. Reva is right that the research has damaged him. The methodology is wrong."
"Then what is the correct methodology?"
"He observes. He doesn't analyze on demand." Adrian turned to look at Voss directly for the first time during the flight. The flat operational eyes with the brown color that people always expected to shift to void-black and that mostly didn't, except in the moments that mattered. "If he has things he needs to sayâthings that have been accumulating in his understanding of the thread that he's been trying to articulate and hasn't had the right audience forâhe says them. We listen without asking him to elaborate. Without asking questions. We receive. We don't request."
Voss was quiet for three seconds. "That's not a research protocol."
"No. It's not." Adrian looked back at the ceiling. The counting resumedâwhatever he was counting, it was something in the aircraft's interior that kept his analytical machinery oriented away from the operational content of the conversation. "But it might get us what we need without costing Dmitri more than he can afford."
Helena shifted in her sleep. Didn't wake. The aircraft hummed.
---
The facility appeared from the air as a set of low buildings arranged in a horseshoe pattern around a central courtyard, the whole complex surrounded by a perimeter fence that was barely visible through the snow that covered the Siberian landscape in every direction. Winter had committed hereânot the tentative winter of Moscow, but the full weight of it, the sky and the ground the same gray-white that made it difficult to tell where one ended and the other began.
Katya looked at it from the aircraft window and thought about the fact that Dmitri had been here for eleven years. That the horseshoe of low buildings had been his entire geography for longer than most careers lasted.
The landing strip was gravel, cleared of snow by a machine that had passed recently enough that the track marks were still crisp. They touched down with the specific controlled violence of a prop aircraft on a short runwayâmultiple bounces, the cockpit crew working hard against the aircraft's momentum. Petrov emerged from the cockpit when they'd stopped, his expression professionally neutral in the way that people who'd done many difficult things were neutral when they'd just done one more.
Dr. Reva met them at the facility's main entrance.
She was fifty-two, compact, with dark hair cut short in the way of someone who'd eliminated decisions that didn't contribute to work. Her expression when she looked at Katya was not the guarded neutrality Katya had expected from Voss's description. It was something closer to recognitionâa person encountering someone they'd heard about and thought about and had complex feelings toward finally arriving in front of them.
"Katya Volkov," Reva said. Her Russian had the specific quality of someone who'd been speaking it in a facility with a small staff for eleven yearsâboth fluent and isolated, the way languages developed when they weren't refreshed by contact with many speakers.
"Yes," Katya said.
"He's told me about you." Reva paused. "In the good periods. He talks about Tuesday phone calls."
Something in Katya's chest that she'd been keeping still for approximately thirty-six hours moved in a way she chose not to analyze.
"How is he today?" she asked.
"Active." Reva's use of the word was specificânot energetic, not agitated. Dimensionally active. "The thread has been more intense than usual. He's beenâ" She looked at Adrian. The look lasted four seconds. The assessment of a clinician encountering a patient she'd never examined but had been professionally thinking about for some time. "He's been expecting you," she said. "Not because we told him. He's been expecting you for forty-eight hours."
"He sensed the change in the thread," Adrian said. Not a question.
"He knew something was coming from the direction of the thread. He doesn't have language for 'Moscow' at this distanceâhis geographic orientation has been limited to the facility and its immediate surroundings for years. But he understood that the thread's activity related to another person. Someone connected to the mechanism."
Reva led them inside. The facility's interior was warmer than the exterior and cleaner than Katya had expectedânot clinical sterility, but the specific orderliness of a small facility that took pride in what it could control. A bulletin board in the entrance corridor held printed photographs of nature scenes. Forests. Mountains. Coastlines. The kind of environmental images that facilities displayed for patients who couldn't leave.
One photograph was different from the others. Not natureâa city. Moscow, unmistakably. The Kremlin. The photograph was placed at a height of approximately 1.7 meters from the floor, positioned centrally on the bulletin board in a way that suggested it had been placed there deliberately by someone with specific intent.
"He put that there," Reva said, following Katya's gaze. "Three months ago. He doesn't explain his decisions, generally, but the morning he put it up he told me, very clearly: 'The door has come home.'"
The door. The presence's term for Adrianâthe language the presence used when it communicated concepts through the thread. Katya had read it in the outline of how the Lurker perceived things: the door. The second door.
If Dmitri could hear the presence's designations through his own threadâ
If he'd known about Adrian, about the return, from the presence's own transmitted awarenessâ
Three months ago. Around the time of the Bohemian Forest operation.
"He was right," Katya said.
"Yes," Reva said. "He often is."
She stopped at a door at the end of the main corridor. Not an institutional doorâa solid wooden door with a small window cut into it at eye level, the kind of door that was there to protect someone rather than contain them. She looked at each of them.
"No research protocols," she said. The words were directed at Voss as much as anyone. "No systematic questioning. If he wants to talk, he talks. If he doesn't, we wait. And ifâ" Her eyes went to Adrian. Held there. "âif the visit produces a significant change in his void-energy state, we stop. Immediately. Is that understood?"
"Understood," Adrian said.
Reva looked at him for another moment. Then she opened the door.
The room was larger than Katya had expected. Windows on two sidesâthe Siberian winter visible beyond them, the flat white landscape that was everything Dmitri had been able to look at for eleven years. Books on every surface, not organized but presentâstacked, placed, opened and closed and opened again. A chair in the center of the room facing the eastern window, and in the chair, a man.
He was sixty-one years old. He looked older. The seventeen years had done what they'd doneâthe hair was white, the same white as Adrian's, and the posture was the same posture Katya had learned to read as void-adapted: the particular openness, the absence of the defensive contraction that people unconsciously maintained in bodies that hadn't been reshaped by dimensional exposure. He was tallâhe'd always been tallâand thin in a way that spoke of metabolic changes that food couldn't fully compensate for.
He turned when they entered. Not quickly. The slow, assured movement of a man who'd already known what was coming and was receiving confirmation rather than experiencing surprise.
His eyes.
Katya had been reading his dimensional signature since the corridorâa vast, elevated output, the seventeen years of accumulated void-energy creating an ambient presence that she could feel at nine layers like standing near a power generator. But his eyes were what surprised her.
They were amber. The same color as hers.
She'd forgotten that. Or pushed it away. The seven years of silence had processed him into the abstraction of the reports and the concern and the frequency signature she'd been reading from Moscow. The specific fact of the amber eyesâtheir father's eyes, both of them, that color of October light that their father had called the color of his familyâhad been somewhere she hadn't been going.
"Katya," Dmitri said.
The voice was his voice. Not changedâthe same deep register, the same specific way of placing her name at the beginning of a sentence as if anchoring himself to it. He spoke it the way he'd spoken it at the end of every Tuesday call: the greeting and the acknowledgment in one word.
"Dmitri," she said.
He looked at Adrian. The assessment taking three secondsâthe extended time of someone reading at multiple layers simultaneously.
"You count," Dmitri said.
Adrian stilled. "Yes."
"Aircraft rivets. I could feel you counting from here." Dmitri's voice was steady. The good-day register, Reva had called it. "The counting slows the thread. I learned that in year four." A pause. "It gets easier. Knowing what slows it."
"Tell me what you know," Adrian said.
Reva's hand moved slightly from her position near the doorâthe preliminary gesture of a clinician about to object.
"Later," Dmitri said. Looking at Adrian. "First." He turned to his sister and, for the first time, let his expression do what expressions do.
Katya crossed the room.