The voices won't stop-and she won't let him win.

Haunted by a host of vengeful spirits, college professor Luke Bolton finds himself kidnapping Abigail Davies at their behest.

The terms of the deal were clear: if he helps them get their revenge on the psychologist who wronged them, they'll leave him alone. If not? He'll be stuck with them forever.

As Abigail fights for her life, Luke struggles with his sanity as the couple wage a psychological war, each battling to survive in the vast desert wastelands of New Mexico.