Somewhere in the darkness, Evelyn opened her eyes. Her head throbbed with a dull, persistent ache. Her mouth was dry. The room was cold and damp, the air carrying the faint smell of mold and stale water. She was sitting on a hard floor with her back pressed against a rough concrete wall.

She tried to move, only to realize her hands were bound tightly behind her. Her heart hammered against her ribs, but she forced herself to breathe and think. The room was small and empty. A single bulb hung from the ceiling, casting a weak yellow glow across the space. There were no windows. No furniture. Just her,...