Teenagers Zach and Josh have been best friends their whole lives, but when a gruesome accident leads to a cover-up, the secret drives a wedge between them and propels them down a rabbit hole of escalating paranoia and violence.

Massena, New York, 1998. A decade of terror comes to a close with the capture of Elizabeth Caulfield, a woman who kidnapped five young girls and pretended they were her own. Only one girl, Christina Bowden, managed to get away with her life, the other four found buried behind Caulfield's decrepit home... 20 years later, Caulfield has escaped from prison and launches a deadly pursuit to finish what she began. Christina's seemingly perfect life comes crashing down around her as the secrets of her past come back to haunt her.