A violent slaughter occurs in an abandoned house in Louisiana where six youngsters are found dead. Detective Lewis (Frank Grillo) examines the crime scene and finds a shocked survivor, John (Dustin Milligan) before calling reinforcements. Several police cars, then arrive at the house with an ambulance and a psychologist, Elizabeth Klein (Maria Bello). She talks to John, who says that a séance performed in the house called the attention of many spirits, including one he identified as his mother. The following scenes consist of two interlaced plots: one shows the interrogation of John by Elizabeth and the investigation of videotapes found in the house by police officers and the other shows the actual events (often filmed by a camera) that John and the five other visitors of the house experienced, including several paranormal phenomena.
