It’s no secret that the abandoned estate across the lake from Camp Durant is haunted. For decades, campers and staff alike have whispered about the girl who haunts the property—how she was possessed by something unearthly and how an exorcism gone wrong caused her untimely death—but seventeen-year-old Eleanor Bradley dismisses these stories as exaggerated local legends. At least until she sneaks into the estate with some fellow camp counselors and spots a flickering figure in one of the mirrors, its hair dripping with blood. Convinced the ghost is trying to speak to her, Nell digs for answers. But the lines between interest and obsession, real and imagined, quickly blur. Nell sees things in mirrors that aren’t there. Finds blood on her hands that isn’t hers. Uncovers things that later vanish—like the body behind the estate, buried in a shallow grave. None of it seems possible, unless what happened to the possessed girl all those years ago is happening again—this time, to Nell…