A 14th century Crusader returns with his comrade to a homeland devastated by the Black Plague. The Church commands the two knights to transport a witch to a remote abbey, where monks will perform a ritual in hopes of ending the pestilence.
While being interrogated by a police psychiatrist, the near-catatonic Tabitha tries to explain why she and two of her childhood friends are being hunted by a serial killer. The truth that's dying to come out weaves together three tragic secrets from their past. Two of the girls' boyfriends become unwitting targets in their deadly game.