Oliver Stone's first film was this unpleasant but fascinating and clever thriller, which blurs the line between dreams and reality in a way that would later become very popular in the "Nightmare On Elm Street" films. The film is technically unpolished, with a crummy look and often inept editing. But it is also a disturbing experience that offers no easy redemptions, and as such it is recommended especially to people who enjoy films like "Alice, Sweet Alice".