In a red light district, the TV news reporter and anchor Karen White is bugged by the police, investigating the serial killer called Eddie Quist, who is molesting her through phone calls. There are some troubles with the transmission and the police officers lose their track. She stays alone with Eddie for a while in a peep-show cabin, when two policemen find them and shoot Eddie. Karen becomes emotionally disturbed and loses her memory, and after a consultation with Dr. George Wagner, she is advised to withdraw to a colony kept by Dr. Wagner in the countryside. Karen travels with her husband Bill, and she realizes the place is a nest of werewolves.