Chapter 35: Spy
The emergency observation room in the medical wing of Hawkins National Laboratory had settled into an exhausted quiet.
The monitors kept their steady rhythm — soft, metronomic beeps, green waveforms crawling across screens, vital signs holding at numbers that were at least moving in the right direction. It wasn't peace exactly, but it was the closest thing to it they'd had in hours.
Will was asleep.
Whether it was the medication, or whatever Andy had done to him at the mental level out in the car, or just his body finally surrendering to everything it had been through — he was out. Really out. His breathing was slow and even, the pain that had been written all over his face smoothed away, leaving him just pale and still and quiet under the blanket. One arm was outside the covers, taped to an IV line. His chest rose and fell.
Andy and Mike had ended up in the chairs closest to the bed, pressed shoulder to shoulder in the way that happens when two people are too tired to worry about personal space. Andy's head had tipped sideways onto Mike's shoulder at some point, his bangs pushed every which way, the shadows under his eyes dark enough to look like bruises. The mental drain had caught up to him all at once, the way it always did, and he'd gone under fast.
Mike was mostly asleep too, chin dropped toward the top of Andy's head, not quite touching it. Neither of them had chosen this arrangement exactly. It had just happened, the way things do when you're thirteen and scared and there's someone next to you who's also scared and you've been through something terrible together.
Across the room, near the door, Joyce and Bob sat in two straight-backed chairs that were designed to be sat in briefly and not at all comfortably.
Joyce had a cup of hot cocoa from the Lab's break room that had gone cold without her noticing. She was working through it anyway, small sips, using the residual sweetness and warmth as an anchor. Her eyes kept going back to Will — checking his chest, his face, the numbers on the monitor — every thirty seconds or so whether she meant to or not.
Bob held an identical cup. He looked like a man who had survived something and was still in the process of figuring out what. The shock of the tunnels, the fire, the way the kids had communicated with each other in that wordless, urgent shorthand while adults scrambled to keep up — it was still sitting behind his eyes. But there was something else there too. A kind of dogged steadiness. He was a problem-solver by nature, and problem-solvers don't check out when the problems get weird. They just recalibrate.
Joyce knew what she owed him. She'd pulled him into this without a roadmap or a warning that was anywhere near adequate, and he'd stayed anyway.
Bob swirled what was left of his cocoa and broke the silence first, keeping his voice low enough not to disturb the kids.
"I have to be honest with you." He gave her a small, rueful look. "Up until about an hour ago, I still had this little voice in the back of my head going — mass hallucination. Stress response. Some kind of gas leak in the Hawkins water supply." He shook his head. "I watch a lot of news. I know that's not how any of this works. But I kept thinking — it has to be something like that. Because the alternative is that this is actually happening."
"It's actually happening," Joyce said, quietly.
"Yeah." He looked at her. "Yeah, I got that now."
There was no accusation in it. No why didn't you warn me or how long has this been going on. Just a man updating his understanding of the world and choosing to stay in the room.
"I'm sorry," Joyce said. "For pulling you into it."
"Hey." Bob leaned forward, shifting his expression to something more serious. "Don't do that. I'm a grown adult who can drive away whenever he wants to." He paused, then added, with a very deliberate puff of his chest: "Bob Newby, superhero. Remember?"
Joyce actually laughed. Not much — barely anything — but it was real, and it cut through some of the cold that had been sitting in her chest for the last several hours.
Bob's face softened. He glanced at Will, at the two sleeping boys, and then back at her.
"I meant it, you know. About Maine."
Joyce met his eyes. The offer was still there, exactly as it had been the last few times — not a joke, not a hypothetical. A real thing he was putting on the table.
A life somewhere else. Will growing up somewhere that didn't have any of this in it.
She didn't say anything. But she didn't look away either, and for a moment the terrible weight of the night lifted just slightly.
"Mom?"
The voice was small and confused, coming from the hospital bed.
Joyce was up before the word finished. She crossed to Will and took his hands in both of hers, leaning over him, her voice dropping into that specific frequency that was just for her kids.
"Hey, baby. I'm right here. How do you feel? Does anything hurt?"
Will blinked. He was doing the thing where you wake up somewhere unfamiliar and your brain hasn't caught up yet — eyes moving around the room, taking inventory, trying to place it.
His gaze landed on Joyce's face first and something in him visibly relaxed. Then it moved past her.
It landed on Bob.
Will's brow pulled together. A faint frown, barely there. The kind of expression you make when something doesn't add up.
He looked at Bob, then back at Joyce.
"Who's that?"
Bob, to his credit, took it in stride. He moved to the bedside with an easy smile, hand already extending toward Will's shoulder in that familiar way — the way he'd done a dozen times in the Byers living room, easy and warm.
"It's me, buddy. Bob."
Will's arm jerked back.
It wasn't a dramatic movement. It wasn't aggressive. But it was immediate — a hard, instinctive recoil, like touching a hot stove. Like the contact itself was wrong.
Bob's hand stopped in the air between them.
The smile stayed, but it had gone uncertain at the edges. He looked at Joyce.
Joyce stared at her son.
Will knew Bob. He liked Bob. Bob had sat at their kitchen table and talked with Will about WarGames and showed him card tricks and brought over Dungeons & Dragons modules for him and Jonathan. Will had never looked at Bob like that — like he was something unfamiliar. Like he was something wrong.
The sound of it woke the boys. Mike pushed upright, scrubbing at his eyes, and registered Will awake with an instinctive flash of relief — and then registered everything else, the stiffness in the room, Bob's frozen expression, and his face went uncertain.
He looked at Andy.
But Andy was already completely awake.
He'd come alert the instant Will said who's that — not startled, but switched on, like a light flipping rather than warming up slowly. He wasn't looking at the interpersonal awkwardness. He was looking at Will.
Something was wrong.
He couldn't have put a name to it yet, but the feeling was there, immediate and cold, running up the back of his neck like a draft from an open window. He knew Will. He'd been inside Will's consciousness a handful of times now, had a sense of what he felt like from the inside — the particular texture of how Will Byers thought and feared and hoped.
This was off.
He needed to verify it. The room wasn't safe for anything obvious, but a surface-level scan was quick, low-profile, hard to detect unless you knew exactly what you were looking for. He stood up, walked to the bedside, and reached toward Will's hand where it rested on the blanket — casual, unhurried, the kind of thing any concerned friend might do.
"Hey, Will. How are you feeling? You still in pain anywhere?"
His voice was steady. His mental focus was already extending.
Will's hand came up and slapped his away.
The crack of it in the quiet room was shockingly loud.
Andy went still, his hand suspended in the air.
Will was staring at him. The brown eyes that had been unfocused and sleepy a moment ago were burning now — this hot, agitated intensity that Andy had never once seen in Will Byers, not even in the worst moments of last year.
"Get away from me." Each word dropped separately, deliberate and cold. "You monster."
The word hit the room like a thrown glass.
Mike made a sound like he'd been punched. Joyce's face went white.
Andy lowered his hand.
He stood there for a moment, and there was the sting of it — he wouldn't pretend there wasn't. But underneath the sting, something else was happening. The surface scan he'd started before Will slapped his hand away had gotten through for just a fraction of a second. Enough to catch something.
He kept his face neutral and paid very close attention.
Will was already changing.
The heat and ferocity drained out of his expression like water out of a bathtub — fast, complete. He blinked. He looked at his own hand, still raised in the air. He looked at Andy's face, and Mike's, and his mother's.
The color went out of his face entirely.
"Andy." His voice broke almost immediately. "I — I don't know why I said that. I couldn't — I couldn't stop it, I didn't mean—"
He was reaching for Andy with the same hand that had just slapped him away, genuinely distressed, tears already pushing at the edges of his eyes. The remorse was right there, fully visible, exactly what Will would look like in this situation — the shame, the confusion, the desperate need to fix it.
Mike exhaled. Joyce moved forward. Bob let out a breath.
Andy watched Will's face.
He didn't relax.
He'd seen the first state — the aggression, the cold precision of those particular words, aimed like they'd been chosen. And now he was seeing the second state — the remorse, textbook Will, everything in its right place.
Both of them had happened in the span of about fifteen seconds.
He'd caught something in the scan. Not much, not long enough to map fully, but enough. The black particles hadn't gone. They were dormant, buried deep, invisible unless you were looking from the inside. And there was something else — a layer over Will's own consciousness. Thin. Seamless. Like cling wrap over a glass, so tight and clear you could look straight through it and think you were seeing the actual thing underneath.
The aggression had come through the layer. The current remorse was also coming through the layer — a perfect simulation of Will's guilt response, exactly how Will would feel in exactly this situation.
The real Will was somewhere underneath all of it. Andy could feel him — faint, blurred, like hearing someone call your name from the other end of a long building.
He turned away from Will's face.
"That wasn't Will," he said.
Everyone looked at him.
"Or — not entirely." He kept his voice flat, making it about the information rather than anything else. "There's something over his actual consciousness. Like a second skin. It's been controlling what he says, what he does. The outburst just now came from that. And the apology—" He paused. "The apology looks right. It looks exactly like Will. But I caught it. It's the same thing simulating how Will would react."
He looked at the hospital bed.
"Will is still in there. I can feel him. But he's not in charge. He's behind it, and he's—" He searched for the right word. "Muffled."
The room went quiet enough that the monitor's beeping felt loud.
Joyce's hand pressed against her mouth.
"Spy," Mike said.
His voice was low and quick, like he'd connected something. Everyone looked at him.
"If Will can feel what the vines feel — if that thing can push through that connection and into Will — then it goes both ways, right?" He looked at Andy, then back at Will. "They can use him to see what's in here. See us. Hear what we're saying." He swallowed. "He's a spy. Without knowing it."
The door opened.
Dr. Sam Owens came in first, the particular brand of calm authority he always carried slightly ahead of him like a professional shield. Behind him trailed two researchers with clipboards, and then Hopper — still damp around the collar from decontamination, jaw set, eyes making a fast inventory of the room the way a cop does automatically when entering a space.
His scan stopped on Andy. A fraction of a second, just enough to confirm: upright, unhurt, present. Then it moved on, but not all the way — the weight in the room registered immediately, and his expression tightened.
"There's our tough guy." Owens moved to the bedside with a practiced, reassuring smile. "How are you feeling, Will? You gave everyone quite a scare. We're going to run a few checks, but I want you to know — you're in the safest place you could be right now. We're going to figure out what happened and we're going to fix it."
He nodded to the researchers, who moved into position around the bed.
Will barely seemed to register the entrance.
He'd gone somewhere different. The remorse of thirty seconds ago had dropped away and something else had replaced it — not aggression, not blankness, but a trembling, barely-contained urgency, like someone trying to communicate through a wall. His eyes swept the room — over his mother, Bob, Mike, Owens, the researchers, Hopper — and then he pulled in a breath and used what sounded like everything he had left:
"You need to leave."
Owens paused. He adjusted his expression toward patient and understanding.
"Will, I know this is frightening. That's completely natural after what you've—"
"No." Will's voice shook but held. "All of you. Get out. Right now. They're coming."
The room stalled.
Owens glanced at the nearest researcher — confused patient, post-trauma response — and leaned in gently. "Who's coming, son? Let's talk about what you're—"
Hopper's head had already snapped toward Andy.
Not the others. Andy.
Because Hopper had stood in Hawkins Middle School a year ago and watched what happened when someone said they're coming and nobody listened fast enough. Because he understood, in a way that Owens with his clipboard and his reassuring smile did not, that the only useful information in this room right now was in the head of the pale kid standing near the far wall.
Andy had already closed his eyes.
He wasn't in the conversation anymore. He'd pushed everything outward the moment Will issued the warning, sending his perception down through the floor, through the concrete and the rebar and the pipes and the soil and the rock below that — plunging toward the dark.
He found the rift.
Last time he'd sensed it from the car, it had been quiet. Dim. Like something conserving its strength.
It wasn't quiet now.
The entire vine network beneath the Lab was moving — heaving, contracting, expanding — with a speed and intensity that was completely different from anything he'd felt before. Not dormant. Not healing. Active. The vines were pushing upward, widening the tunnels, and running through them—
Demogorgons.
Not the single one from last year, not a manageable number. More. Fast, low to the ground, claws tearing through packed earth, hunger running through all of them like a single electric current. The will of the thing at the center of the rift threaded through each of them — focused, directed, hunting.
They were climbing.
They were close.
Andy opened his eyes and looked at Hopper across the room, and Hopper was already reading his face.
"We have to move." Andy kept his voice hard and level. "All of us. Right now. They're already in the tunnels and they're coming up fast."
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