Cover of The Sweet Fraction
Horror ★ 4.27 · 78 Audiobook Available Exclusive

The Sweet Fraction

by Julia Kerrigan

  • 1 hr 40 min read
  • 12 chapters
  • Published 29 July 2026
Gothic HorrorIsland HorrorBiological HorrorParasitic HorrorBodily Autonomy HorrorDark Family LegacyRescue MissionTrapped in the HouseHuman HarvestSentient HouseRitual SacrificeBride HorrorAncient EvilIsolated SettingFemale ProtagonistImmortality HorrorOutsider ProtagonistCoastal HorrorTrap and LurePredatory FamilyEscape PlanDread EndingMarriage TrapCyclical EvilSurvival HorrorBuried SecretsUnderground OrganismSister RescueLouisiana HorrorLatina ProtagonistSwamp SettingOsmotic Horror
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About this book

Summary

A cryptic letter from her dying sister lures Isabel Salas to a crumbling Louisiana island estate where the walls sweat, the pipes pulse with the tide, and nothing served at the table is truly water. The Naquin family has kept their patriarch alive for nearly two centuries by draining the bodily fluids of captive brides—and now they want Isabel. Trapped before the equinox tide with no ferry and no allies, she must turn the house's own plumbing against the ancient organism feeding beneath its foundations, or watch her sister be rendered into salt.

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Chapter 1

Chapter 1: Clinical Language

The word "rendering" appeared in a veterinary document Isabel Salas translated at 2:47 in the morning, and she paused over it the way she paused over all words that disguised violence with procedure.

Rendering: the industrial process of converting animal tissue into usable products through sustained heat.

She typed the Spanish equivalent, saved the file, and moved on to the next document in her queue—a denial-of-coverage letter from a health insurer to a sixty-three-year-old diabetic man in Brownsville who had requested a second opinion on his amputation. The denial was written in language so deliberately opaque that Isabel suspected even its author could not have explained what it meant. She translated it into clear, brutal Spanish. She did not soften it. Softening was not her job. Her job was accuracy, and accuracy sometimes meant letting a sentence cut the way it was designed to cut.

Isabel was twenty-nine years old. She worked from a one-bedroom apartment in Houston's Second Ward, surrounded by dictionaries, medical reference texts, and the particular silence of someone who has been awake too long. Her desk faced the wall because the window faced the parking lot of a dialysis center, and she did not need to watch her mother's future while she worked.

Rosa Salas went to that center three times a week. Her kidneys had been failing for four years—slowly at first, then with the accelerating inevitability of all organ failure. The nephrologist used the word "progressive" the way insurance companies used the word "regrettably": as a cushion placed over something sharp.

Isabel paid what she could. The rest had been covered, for the past eight months, by the family of her younger sister's husband.

Beatriz had married Thomas Naquin after a courtship that lasted eleven weeks. Isabel had watched it happen the way you watch a car drift across the center line—with the sickening knowledge that your warning will arrive after the impact.

Thomas was thirty-four, old-money Louisiana, educated at schools whose names functioned as passwords. He was handsome in the way that certain men are handsome: precisely enough to make you forget to ask questions. He smiled constantly. He listened with what appeared to be genuine attention. He touched Beatriz's arm when she spoke as though her words were something he needed to physically receive.

Isabel distrusted him immediately, and she knew the distrust looked like jealousy.

Beatriz was twenty-five, bright, restless, and exhausted by the weight of Rosa's illness in the way that younger siblings are often exhausted—not by the caregiving itself but by the guilt of wanting to escape it. Thomas offered escape in its most seductive form: not abandonment but rescue. He would take care of everything. The medical bills. The worry. The slow drowning in obligation that had defined Beatriz's twenties.

All Beatriz had to do was marry him and move to his family's estate on a private barrier island off the Louisiana coast.

"You don't know anything about him," Isabel had said.

"I know he makes me feel safe."

"Safe from what?"

Beatriz had looked at her with the particular exhaustion of someone who has been carrying a weight so long they no longer distinguish it from their own body. "From this, Isabel. From all of this."

Their last real conversation had ended there—not with a door slamming or voices raised, but with a silence that settled between them like sediment. They had spoken occasionally since. Brief calls. Texts that said nothing. The careful, shallow communication of people who love each other and are afraid of what honesty might cost.

Isabel finished the amputation denial at 3:30 AM. She saved it, invoiced it, and opened the next file. A pharmaceutical trial consent form. Forty-seven pages. Due by noon.

She made coffee and did not look at the window.

The dialysis center's parking lot was empty at this hour, its fluorescent lights buzzing over wet asphalt. In eleven hours, Rosa would sit in one of its reclining chairs while a machine cleaned her blood because her body could no longer do it alone. The machine did not care about Rosa. It performed a function. It separated what was useful from what was waste and returned the useful part to circulation.

Isabel understood machines like that.

She had become one.

---

The letter arrived on a Tuesday.

Isabel found it in her mailbox between a credit card offer and a past-due notice from the electric company. The envelope was cream-colored, heavy stock, with no return address. Her name and address were written in ink that had bled slightly, as though the pen had been pressed too hard or the writer's hand had been unsteady.

She recognized Beatriz's handwriting.

Or rather, she recognized what Beatriz's handwriting had become.

Beatriz had always written in wide, looping script—generous letters that leaned forward as though eager to arrive. The handwriting on this envelope was cramped, slanted sharply to the left, and pressed so deeply into the paper that Isabel could feel the grooves with her fingernail. Several letters had torn through the envelope's surface.

Inside was a single sheet of the same heavy paper.

No greeting. No date. No "Dear Isabel" or "I'm sorry we haven't talked."

Just this:

*The house drinks.*

*Come before the equinox tide or I will already be poured out.*

And below, in handwriting that seemed to have been produced by a different pressure entirely—lighter, more deliberate, as though the writer had briefly regained control of her own hand:

*Bring nothing opened.*

Isabel read it three times.

She held the paper to the light. The torn grooves where the pen had broken through formed a pattern she couldn't quite resolve—branching lines that reminded her of something she'd seen in a medical text. Capillary networks, maybe. Or the root system of marsh grass.

She called Beatriz's phone.

It rang seven times and went to voicemail. The outgoing message was Thomas's voice, warm and apologetic: "You've reached the Naquins. We're probably out on the water. Leave a message and we'll get back to you when the tide's right."

Isabel did not leave a message.

She called Rosa.

---

Rosa's apartment smelled of the particular combination of disinfectant and cilantro that had defined Isabel's childhood. Her mother sat in the kitchen beneath a framed print of the Virgin of Guadalupe, peeling garlic with hands that trembled from the dialysis.

"She's unwell," Rosa said, studying the letter with an expression Isabel couldn't read. "Marriage is difficult. The island is isolated. Thomas called me three weeks ago. He said she isn't sleeping. Panic attacks. He used the phrase 'female instability.'"

"He called you? Thomas called you directly?"

"He was concerned."

"And you didn't tell me."

Rosa set the letter down carefully, aligning its edges with the table's edge. "I didn't want to worry you. You have enough."

"Mamá, read this again. 'The house drinks.' 'I will already be poured out.' This isn't insomnia."

"It's dramatic language. Beatriz has always been dramatic."

"She tore through the paper. Look at the grooves. She was pressing so hard—"

"She was upset. People write differently when they're upset."

Isabel stared at her mother. Rosa's hands had stopped trembling. They were perfectly still on the table, pressed flat against the wood as though holding something down.

"There's something else," Isabel said.

Rosa's jaw tightened. A long moment passed.

"The Naquins have stopped paying for my dialysis."

The kitchen went very quiet. Isabel could hear the refrigerator humming, the slow drip of the kitchen faucet, and beneath both, the sound of her own pulse in her ears.

"When?"

"Last month. The clinic called. The payments stopped without explanation. I have coverage through the end of this cycle, but after that..." Rosa spread her hands. "The private clinic is the only one managing my protocol correctly. The public options have waitlists. Months."

"Why didn't you tell me?"

"Because I knew what you would do. You would call Thomas. You would demand answers. You would make it worse."

"Make what worse?"

"The relationship. Whatever arrangement we have with them."

Isabel felt something cold move through her chest. "What arrangement, Mamá?"

Rosa picked up a clove of garlic and began peeling it with meticulous attention. "They have always paid what they owe."

"What do they owe? For what?"

"Go to the island. See your sister. Make sure she's all right. And be polite to Thomas. Be polite to all of them. Whatever you think of them, they have resources we need, and I am asking you—" Rosa's voice cracked, and she pressed it back together with visible effort. "I am asking you not to let your suspicion destroy the only thing keeping me alive."

Isabel wanted to push harder. She wanted to take her mother by the shoulders and shake loose whatever was hiding behind that careful, trembling composure.

But Rosa's skin was grey. Her ankles were swollen. The garlic clove in her hand was the size of a tooth, and she held it as though it weighed something.

Isabel took the letter home.

She read it again in her kitchen, standing over the sink with the water running.

*Bring nothing opened.*

She looked at the faucet.

She turned it off.

Then she went to the store and bought twelve sealed bottles of water, vacuum-packed food, and a roll of medical tape.

In her closet, she found the small case of emergency peritoneal-dialysis supplies she'd been meaning to deliver to a specialist clinic on behalf of Rosa's nephrologist. Sterile tubing. Clamps. Transfer connectors. Drainage lines designed to move fluid safely into and out of the human body.

She packed everything into a waterproof duffel.

She booked a bus ticket to Dulac, Louisiana, where a weekly supply ferry departed for Bastian Island every Thursday morning.

Before she left, she stood in Rosa's doorway and watched her mother sleep. Rosa's breathing was shallow and irregular, interrupted by the small catches and pauses of a body that was slowly losing its ability to clean itself.

Isabel thought about the word "rendering."

She thought about the word "owe."

She closed the door quietly and did not say goodbye.

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