Cover of The Sleep-Eater
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The Sleep-Eater

by Katie Walsh

  • 1 hr 30 min read
  • 12 chapters
  • Published 4 July 2026
Archaeological AdventureLost CivilizationExpedition Gone WrongAncient SecretsForbidden PlaceCorporate ConspiracyParasitic OrganismCave ExplorationSubterranean CityFemale AdventurerBody HorrorBetrayalSmall CrewHeroic SacrificeFungal ThreatDeadly TrapsSecond ChanceSouth American AdventureHidden AgendaAncient GuardianMentor & ProtégéRace Against TimeAgainst All Odds SurvivalInfection RaceCorporate GreedWhistleblowerBiotech VillainSpanish Colonial HistorySelf-SacrificePeruvian AdventureMoral Dilemma
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About this book

Summary

Forty conquistadors died holding a stone door shut inside a Peruvian mountain — and archaeologist Dr. Grace Fletcher is about to find out why. When her disgraced mentor secures funding to explore a lost Chachapoya fortress city, Grace joins an expedition compromised from the start: a biotech firm pulling the strings, an ex-fiancé she never properly apologized to, and a logistics chief whose scars hide a terrifying secret. Deep beneath the Cordillera del Cóndor, something ancient feeds on the living and offers the dead a mockery of forever.

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Chapter 1

Chapter 1: The Serpent in the Scar

The drone footage arrived at 2:47 a.m., attached to an email with no subject line.

Grace Fletcher was already awake. She had been awake for most of the past six years, or so it felt — sitting in underfunded offices, sleeping on buses between dig sites that never quite delivered, writing grant applications that came back stamped with polite variations of the word "no." She was thirty-four years old, she had published exactly one paper that anyone remembered, and she was sitting in a rented room in Chachapoyas, Peru, eating cold rice from a plastic container when her laptop chimed.

The email was from Oscar Hadfield.

She almost deleted it. Oscar had been her doctoral advisor at Columbia, a man whose brilliance was matched only by his talent for self-destruction. He'd been forced out of the department three years ago after a funding scandal — not fraud, exactly, but close enough that no institution would touch him. Grace had testified on his behalf at the ethics hearing, and it had cost her. The stain of association clung.

But she opened it anyway, because it was two in the morning and she was eating cold rice alone, and because the subject line, when it finally loaded, read: *They found it.*

The attachment was a thirty-second video clip. Aerial footage, shot from a commercial logging survey drone flying over the Cordillera del Cóndor. Dense cloud forest canopy, a river gorge choked with mist, and then — there. A fresh landslide scar on a mountainside, raw red earth exposed like a wound, and jutting from the rubble at a precise forty-five-degree angle, unmistakably carved, unmistakably intentional: a serpent's head.

Stone. Massive. The open jaws were wide enough to swallow a man standing upright.

Grace set down her rice. She watched the clip again. Then a third time, frame by frame, her fingers trembling against the trackpad.

The serpent's head was Chachapoya. She knew it the way a cardiac surgeon knows a heartbeat — not from analysis, but from recognition. The style was consistent with the few surviving examples of monumental Chachapoya stonework: the geometric patterning along the jaw, the circular eye sockets that once held polished obsidian, the deliberate asymmetry that distinguished Chachapoya craft from Inca imitation.

But this was not a known site. This was not Kuélap, not Revash, not any of the documented cliff tombs or hilltop fortresses. This was deep in the Cordillera del Cóndor, in territory so remote that the logging company had needed a drone because no road existed.

Six years. Six years she had argued — in her dissertation, in conference papers that drew polite smiles and no citations, in late-night arguments with colleagues who thought she was chasing ghosts — that the Chachapoya had not simply vanished after the Inca conquest. That the so-called Cloud Warriors, who had resisted the Inca Empire longer than any other culture in the Andes, had not meekly died of European diseases and cultural absorption. That somewhere in the uncharted eastern slopes, they had retreated to a place they had prepared.

A fortress. A city. A last redoubt carved into the living rock of a mountain.

She called Oscar.

He answered on the first ring, which meant he had been waiting. His voice was hoarse, excited, talking too fast. "You saw it."

"I saw it."

"It's real, Grace. I've had three geologists look at the footage. The landslide exposed a constructed entrance. The serpent head is just the lintel. There's at least forty meters of carved stone behind it, and ground-penetrating radar from the logging survey shows voids. Big voids. We're talking chambers, tunnels, a complex extending deep into the mountain."

Grace pressed her palm flat against the table to stop it shaking. "Oscar, where did you get this?"

"The logging company sold their survey data to a private buyer. The buyer contacted me."

"Why you?"

A pause. She heard him swallow. "Because I've been looking for this for longer than you have, Grace. Because I published on the Cordillera del Cóndor hypothesis before you were in graduate school. And because this buyer — this donor — has money. Real money. Expedition-grade funding, and they want to move fast."

"How fast?"

"We fly to the staging point in nine days. We enter the mountain before the monsoon closes the pass."

Grace laughed. It came out sharp, disbelieving. "That's insane. You can't mount a serious archaeological expedition in nine days. Permits alone—"

"The permits are handled. The donor has connections with the Peruvian Ministry of Culture. Emergency excavation license, filed under heritage preservation — the landslide exposed the site, so there's a legitimate argument that it needs to be documented before further erosion destroys it."

"And the team?"

"I have a roster. I need you on it, Grace. You're the best Chachapoya specialist alive, and you know it, and I know it, and the donor knows it."

She should have said no. Every instinct built by six years of careful, methodical, underfunded work told her this was wrong. Too fast, too convenient, too much money appearing from nowhere. Oscar Hadfield's name on anything was a red flag.

But the serpent's head was real. The voids were real. And Grace Fletcher had spent six years starving for exactly this.

"Who else is on the roster?" she asked.

Oscar read the names.

Mitch Padilla. Structural engineer, specialist in subterranean architecture, experienced in cave systems and mine stabilization. Grace's ex-fiancé. They had not spoken in three years.

"You're joking," she said.

"He's the best available. And he said yes."

"He said yes knowing I'd be there?"

"He said yes knowing the site is real. Whatever happened between you two, Grace, he's a professional. So are you."

She bit back the response she wanted to give. Oscar continued.

Tommy Kessinger. Twenty-six, fresh out of his PhD at Berkeley, an epigrapher who had done remarkable work decoding Chachapoya textile patterns as a proto-writing system. Young, eager, probably thrilled to be included.

Sasha Liang. Expedition medic, former Army combat surgeon, now freelancing with remote archaeological teams. Grace had worked with her once before, briefly, on a survey in Bolivia. Competent, quiet, no-nonsense.

And the last name: Viggo Rask.

"Logistics chief," Oscar said. "The donor's man. He handles transport, supply chains, communications. Ex-military, Scandinavian, very experienced."

"The donor's man," Grace repeated.

"It's a condition of the funding. Non-negotiable."

"What else is non-negotiable?"

Another pause, longer this time. "The donor approves the full roster. The donor provides logistics and communications equipment. And we enter the mountain before the monsoon window closes. That's the deal, Grace. Take it or leave it."

She stared at the frozen frame on her laptop screen. The serpent's jaws, wide open, waiting.

"I'll take it," she said.

---

The staging point was a mining camp called Puesto Bravo, a collection of corrugated tin buildings clinging to a ridge above the Río Santiago. Grace arrived by bush plane on a Tuesday, stepping out into air so thick with moisture it felt like breathing through a warm cloth.

Mitch was already there.

She saw him across the muddy clearing, checking structural survey equipment laid out on a tarp. He looked older. His dark hair was shorter, and there were new lines around his eyes. He wore a faded blue shirt with the sleeves rolled up, and when he saw her, he went very still for a moment before lifting one hand in a wave that was careful and measured, the kind of wave you give to someone you are prepared to be civil to.

Grace waved back. Her stomach knotted.

They had met at a conference in Lima seven years ago. He was an engineer who loved old things; she was an archaeologist who loved understanding how old things were built. The attraction had been immediate, intellectual, and physical. They'd been engaged within a year. And then Grace had gotten the call about a newly discovered tomb complex in the Utcubamba Valley — a once-in-a-career find — and she had left.

She had left during the worst three months of Mitch's life, when his father was dying of pancreatic cancer in a hospital in Tucson. She had told herself it would only be a few weeks. It had been four months. His father died while she was cataloguing burial textiles in a tent on a mountainside, and she had not come home for the funeral because the site was about to be flooded by a dam project and every day counted.

Mitch had returned the ring by courier. She had not blamed him.

Now here they were, standing forty feet apart in a mining camp in the Peruvian jungle, about to enter a mountain together.

"Grace." He walked over, extended his hand. She shook it. His grip was firm and brief.

"Mitch. You look well."

"You look tired."

She almost smiled. He had always been honest. "I am tired. I've been tired for about six years."

"Then let's go find your lost city and you can finally sleep."

It was the closest thing to warmth he had offered, and she took it.

---

Tommy Kessinger arrived that afternoon, practically vibrating with excitement. He was tall and thin, with a mess of red-brown hair and wire-rimmed glasses that he pushed up his nose every thirty seconds. He carried a battered leather satchel stuffed with notebooks, and he shook Grace's hand with both of his.

"Dr. Fletcher. I've read everything you've published. Your analysis of the Kuélap frieze sequences changed my entire dissertation framework. I can't believe this is happening. I can't believe any of this is happening."

"Call me Grace. And believe it carefully. We don't know what we're walking into."

"That's what makes it extraordinary," Tommy said, grinning.

Sasha Liang came in on the same plane, a compact woman in her early forties with close-cropped black hair and a medical kit that weighed more than the rest of her luggage combined. She nodded at Grace, shook hands with Mitch, and immediately began inventorying the camp's first-aid supplies with the focused efficiency of someone who had treated gunshot wounds in places worse than this.

Oscar arrived last, looking worse than Grace had expected. He was sixty-one, and the three years since his dismissal from Columbia had not been kind. He was thinner, grayer, and there was a tremor in his left hand that he tried to hide by keeping it in his pocket. But his eyes were alive. When he stood at the edge of the ridge and looked out toward the wall of green mountains to the east, Grace saw the man who had once made her believe that the past was not dead, that it was merely sleeping, waiting for someone patient enough to wake it.

"There," he said, pointing. "Forty kilometers east-southeast. The serpent's mouth."

Grace stood beside him. The mountains were enormous, their peaks lost in cloud. Somewhere in that wall of stone and jungle, a door had opened.

"Oscar. The donor. Who are they, really?"

He glanced at her, then away. "A private research foundation. Interested in pre-Columbian bioarchaeology. That's all I know, Grace. That's all I need to know."

She let it go. She shouldn't have.

---

Viggo Rask arrived by helicopter the next morning, alone.

The helicopter was military-surplus, repainted in civilian white, and it came in low over the ridge with a precision that spoke of a pilot who had landed in places where precision was the difference between living and dying. Rask stepped out before the rotors had fully stopped, a tall man in his mid-fifties with a shaved head and a face that looked like it had been assembled from spare parts. A thick scar ran from his left temple to his jaw, puckered and white, pulling the corner of his eye into a permanent squint. Another scar crossed his throat just above the collar of his black tactical jacket.

He carried no personal luggage. He carried two satellite phones, a GPS unit, and a hard-sided case that he set down in the supply tent without opening.

"Dr. Fletcher." His voice was flat, accented — Danish, Grace thought, or possibly Norwegian. "Dr. Hadfield. I am Viggo Rask. I coordinate logistics for the expedition. You will find that supplies, communications, and extraction protocols are my responsibility. Your responsibility is the archaeology. We will not need to overlap."

He shook hands with each of them. His grip was dry and precise. When he shook Tommy's hand, the young epigrapher flinched slightly — not from pressure, but from something in Rask's eyes. A watchfulness that went beyond professional attention.

"Who do you work for, Mr. Rask?" Grace asked.

"The foundation that funds this expedition."

"Does the foundation have a name?"

"It does. And it prefers its privacy. You will understand."

He turned and walked to the supply tent. Conversation over.

That night, Grace sat with Sasha outside the bunkhouse, sharing a thermos of coffee. The jungle sounds were enormous — a wall of insect noise and bird calls that made the darkness feel alive.

"What do you think of him?" Grace asked.

"Rask?" Sasha poured coffee into a tin cup. "Military. Not just military — special operations. The way he moves, the way he swept the camp when he arrived. He checked sight lines. Who checks sight lines at an archaeology staging camp?"

"Someone who's been in places where sight lines matter."

"Exactly." Sasha sipped her coffee. "I've worked with security consultants on digs before. They're usually bored ex-soldiers looking for easy money. Rask isn't bored. Rask is paying attention."

"To what?"

"To everything."

Grace looked toward the supply tent. A faint blue light glowed inside — Rask's satellite phone. He was making a call.

She filed it away and went to bed. Sleep came slowly. When it did, she dreamed of stone jaws opening in a mountainside, and something silver moving in the dark behind them.

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