Read Chapter 17: The Chest's Secret

The night air carried the bite of early autumn as Nathaniel and Mercy slipped through the orchard behind the Hart cottage. Moonlight painted silver streaks across the gnarled apple trees, their branches heavy with fruit no one had bothered to pick. Mercy pressed her palm flat against the rough bark of the last tree before the clearing, her breath shallow.

“The constable’s man patrols every half hour,” she whispered. “We have perhaps twenty minutes once he passes.”

Nathaniel nodded, his face pale in the dark. He clutched a bundle of coarse wool against his chest—the servant’s dress he’d procured from his aunt’s house, along with a story about a needy cousin in Boston. Mercy had argued against the disguise when he first proposed it, saying it was a fool’s errand to think she could simply walk back into her own home. But Nathaniel had been insistent, and now, standing at the edge of what had once been her life, Mercy felt the weight of his gamble pressing down on her.

“If we’re caught,” she said, “you’ll hang beside me.”

“Then we’d better not be caught.”

The cottage stood dark and silent, its windows like empty eyes staring into the night. Mercy’s chest tightened at the sight. Her mother’s herbs still hung drying in the rafters. Her father’s chair still sat by the hearth. And somewhere inside, hidden in a chest she had dusted a hundred times without knowing, lay the truth of what Willard had stolen.

They waited in the shadow of the well until the constable’s man passed, his lantern swinging lazily as he hummed a tavern tune. The moment he disappeared around the bend, Nathaniel grabbed Mercy’s hand and pulled her toward the back door.

The lock had been changed. Mercy stared at the new iron mechanism, her key useless in her palm.

“Willard’s doing,” she breathed. “He must have had it replaced after I was arrested.”

Nathaniel knelt beside the door, studying the lock with the careful eye of a man who knew ledgers better than locks. He withdrew a thin metal pick from his boot—a tool Mercy had never seen him carry before.

“Don’t ask,” he said, not meeting her eye.

The pick scraped against iron with a sound that seemed deafening in the still night. Mercy held her breath, counting heartbeats. A minute passed. Then another. Just as she began to fear they would have to abandon the attempt, there came a soft click, and the door swung inward.

Mercy stepped across the threshold of her own home, and the world tilted sideways.

Everything was wrong. Her mother’s mortar and pestle had been knocked from its shelf and lay cracked on the floor. The dried herbs that had hung from the rafters were gone, leaving only bare hooks like small gallows. Her father’s chair had been overturned, its cushioned seat slashed open, tufts of horsehair spilling onto the floorboards like entrails.

“He searched it,” Mercy whispered. “Willard searched everything.”

Nathaniel surveyed the destruction with a grim expression. “He must have been thorough. You said the chest was in the pantry?”

Mercy pushed past the overturned furniture, her heart hammering as she threw open the pantry door. The shelves had been stripped bare, jars shattered, sacks of grain ripped open and scattered across the floor. Her hands trembled as she worked the loose floorboard beneath the window—the one her mother had shown her when she was a girl, teaching her to hide her most precious belongings from the eyes of those who would take them.

The board came up easily.

The chest sat beneath, unharmed, wrapped in an oilcloth that had kept it safe from damp and rot. Mercy’s fingers brushed the carved oak surface, tracing the familiar pattern of bindweed that wound around its edges like a living thing. The bindweed that gave her family name its meaning, woven into everything she owned.

She lifted the chest from its hiding place and set it on the overturned table. The tiny key from her mother’s locket fit the lock with a click that seemed louder than thunder.

The lid swung open.

Inside lay her father’s tools: the brass scale for weighing compounds, the glass vials with their hand-blown stoppers, the leather-bound journals filled with his meticulous notes. And there, wrapped in a square of yellowed linen, the formula.

Mercy unfolded the paper with hands that shook. Her father’s handwriting—familiar and achingly dear—filled the page with careful script: *To drive fever from the blood, take of willow bark three parts, of meadowsweet two, of yarrow one…*

The measurements and instructions were precise, meticulously recorded. Beneath the recipe, her father had written a single line that made Mercy’s breath catch:

*This cure saved Mistress Hathorne’s youngest when all physicians had given up hope. Dr. Abraham Willard offered to purchase the rights to it. I refused. He did not take the refusal kindly.*

Nathaniel read over her shoulder, his brow furrowing. “Hathorne,” he repeated. “The magistrate’s family?”

“The magistrate’s daughter,” Mercy corrected. “Before she married, Elizabeth Hathorne nearly died of the fever that swept through Salem in ’85. My father saved her life with this. And Willard wanted to claim the credit and the profit.”

She looked up from the letter, understanding blooming like a poisonous flower in her chest. “This was never about silencing me because I knew what he did to his patients. This was about the formula. The fever that’s been ravaging the town—Willard knows it’s coming again. He knows families will pay anything for a cure. And if he possesses this—” She held up the paper, “he can name his price. But if I have proof that it belonged to my father first, that he stole it, he becomes nothing more than a common thief peddling another man’s work.”

Nathaniel’s eyes widened. “He didn’t just want to silence you, Mercy. He wanted to kill you before anyone knew this existed.”

A sound from outside—boots crunching on gravel—sent them both into frozen stillness. The constable’s man had circled back, his lantern light spilling across the broken windowpanes.

“We need to go,” Nathaniel hissed. “Now.”

Mercy clutched the formula to her chest as Nathaniel grabbed her arm and pulled her toward the back door. They slipped through just as the lantern’s gleam reached the front window, and pressed themselves flat against the cottage wall, breathing in shallow gasps.

The constable’s man paused at the broken door, his hand on the latch. Mercy’s heart stopped. The man pushed the door open, stepped inside, and surveyed the wreckage of the ransacked room.

“Devil take the thief who did this,” he muttered, and closed the door behind him.

Nathaniel moved first, tugging Mercy toward the orchard before the man could decide to search the perimeter. They ran bent low through the apple trees, the formula clutched against Mercy’s heart, until the cottage was nothing but a dark smudge behind them and the town gate loomed ahead—closed until dawn, as she had known it would be.

They ducked into Nathaniel’s waiting cart, hidden behind a stack of barrels in the livery yard. Only when the horse snorted and stamped softly in the straw did Nathaniel allow himself to exhale.

“We have it,” he said, wonder stealing into his voice. “We actually have it.”

Mercy looked down at the formula in her hands. Her father’s handwriting. Her family’s legacy. The proof of Willard’s theft and the shadow of his motive. But even as hope stirred in her chest, a new, darker thought coiled through her mind.

“He killed a child in Andover to test his tonics,” she said slowly. “He dosed his own patients to manufacture their afflictions. He has ruined lives, condemned souls to prison and death. And he did it all for the chance to sell a cure he did not create.”

Nathaniel was silent, reading what lay unspoken on her face.

“If the fever comes again with winter, if his cure is all the town can turn to, he could control every physician, every minister, every grieving mother who begs for relief. That’s not greed, Nathaniel.” Mercy’s throat tightened. “That’s power. And the magistrate knows it.”

She folded the formula carefully, returning it to its linen wrapping. “Hathorne didn’t dismiss your evidence because he doubted Willard’s crimes. He dismissed it because he needs them buried. He needs Willard’s cure. No, my trial isn’t about whether I’m innocent.” Her smile was bitter and cold. “It’s about whether they can silence me before I reveal a secret that would bring them all down.”