A small town in Minnesota in 1990: Detective Bruce Kenner investigates the case of young Angela Gray, who accuses her father John of sexual abuse. When he unexpectedly pleads guilty without even being able to remember the crime, the renowned psychologist Kenneth Raines is called in to retrieve John's repressed memories with the help of regression therapy. In the process, a secret of unimagined proportions gradually comes to light. Angela seems to have become the victim not only of her own father, but also of a satanic sect. Kenner's investigations in this direction soon drive the policeman out of his mind. He is haunted by delusions and nightmares. Who is playing his evil game here?