Told through ingenious flashbacks, tells the story of a group of wealthy men and women who get murdered one by one at a decadent weekend party. In his attempt to find a connection between the victims Inspector Lomenzo (Michele Placido) encounters a mysterious fashion model (Cornine Clery) who reveals that at this the drugged-out sex party one of the young girls was `accidently` killed during a gruesome practical joke. However, it seems that someone at this party is killing the others, but who and why? A brilliant cast lead by Michele Placido, Cornine Clery along with Tom Skerrit and Eli Wallach.