Paranormal activity, a pure thriller that takes you on a joyride from hell. This first person documentary is about a soon to be married boyfriend and girlfriend who live alone in a two story house. Lately the girl, Katie, has been experiencing some weird things so they seek the help of a ghost hunter. He tells them that a demon or ghost is haunting them. They explain that it happens mostly at night and that it has happened to her since she was eight. Her boyfriend gets a camera to film them in the night to see if the ghost comes in then he reviews the tapes in the morning. The first night its not so bad butt each night it gets progressively worse and as the couple gets more and more paranoid the demon only gets stronger. Until the final night when he completely takes over the girl who kills the boy and the movie ends with the lines police found the boys body the next night and katies whereabouts are still unknown.