 When a group of environmental activists board an oilrig to broadcast their protest to the outside world, they find the entire rig abandoned. A hidden video camera is discovered revealing that the entire rig s workforce has been gradually wiped out by an evil entity, which uses the bodies of the living and moves from person to person, leaving the host dead. Locked in a battle of survival, they begin their search for the spirit. What they don t know is that this spirit is now one of them...