A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.
Carol Hammond, daughter of a politician, has vivid nightmares involving sex orgies and LSD. In a dream, she murders a neighbor she envies and wakes up to a real investigation into her neighbor's murder.
Townspeople of a small English village begin to die in a series of horrible accidents, and a Scotland Yard inspector arrives to investigate a mysterious local medium who records conversations with the dead.
