Barbara leaned on her counter. The stuffed crow above her head cocked its wooden head.

Other incidents followed. A drunk who tried to burn down her shop was found wandering the highway three days later, convinced he was a field mouse. A real estate developer who tried to buy her land at a fraction of its value woke up with a perfect circle of feathers glued to his eyelids. He couldn’t remove them for a week.

The town of Mercy Falls had two churches, three bars, and one unspoken rule: never ask Barbara Devlin where she went on the nights of the full moon.

Barbara Devil was seen leaving the house at dawn, her work boots leaving no prints in the frost. She walked past the two churches and the three bars, back to her shop. She unlocked the door, hung her apron on a hook, and went down to her basement.

Outside, the sun rose over Mercy Falls. The stuffed bass on the wall gleamed. The raccoon snarled its eternal snarl. And the children, who knew nothing of contracts or cruelty, whispered a new rumor to one another: that if you left a bent silver whistle on Barbara Devil’s doorstep, she would come for you.

“The bargain is already made,” Barbara said. “Not with me. With every living thing you’ve ever broken.”

Leo reached into his pocket and pulled out a bent, silver whistle. “My real dad gave me this. It’s all I have.”

“I want you to make him stop,” Leo said. “I’ll pay you.”

A new skull was waiting on her workbench. A rat skull, small and unremarkable. She picked up her carving knife and began to write, in tiny, perfect script, the terms of a broken man’s redemption.

“Does he?” she said softly.

Barbara took the whistle. She held it to her ear. She heard a lullaby, a promise, a scream. She saw Leo’s future—a long road of foster homes and fist-shaped bruises. She saw her own forty-year retirement crumbling like a dry leaf.