Young student disappears under mysterious circumstances. His mother has sounded the alarm, but the police do not rush to the search and believe that he is on the spree. Then she hires a private detective, who begins the search along with his assistant. The first place where they go is the house where he lived. Outside the detectives do not find anything suspicious, but having got inside, they find a strange collection of amateur videos. Unaware of the danger, they turn on one of the tapes, thus bringing evil forces from another world to life.