On the brink of a month-long August vacation, Dr. Frederick Starks, a New York psychoanalyst, receives a mysterious, threatening letter. The unknown tormentor then lethally begins demonstrating the potential of his (or her) threats. In a race against time, Dr. Starks suddenly finds himself at the mercy of a psychopath's revenge.

Minnesota, 1990. Detective Bruce Kenner investigates the case of young Angela, who accuses her father, John Gray, of an unspeakable crime. When John unexpectedly and without recollection admits guilt, renowned psychologist Dr. Raines is brought in to help him relive his memories and what they discover unmasks a horrifying nationwide mystery.