Fletch is a fish out of water in small-town Louisiana, where he's checking out a tumbledown mansion he's inherited. When a woman he flirts with turns up dead, he becomes a suspect and must find the killer and clear his name.

When her mother is killed in a mysterious house fire, rebellious teen Debbie Strand is sent to live with her grandmother, where she becomes even more unhinged. She develops an intense crush on her hunky creative writing teacher, Peter Rinaldi, but her numerous attempts at seduction end in failure. Soon Peter's friends start turning up dead, and he fears that his fiancée, Marilyn, may be Debbie's next victim.

With a serial strangler on the loose, a bookkeeper wanders around town searching for the vigilante group intent on catching the killer.

After receiving an inheritance in Louisiana, Los Angeles reporter Irvin Fletcher heads to the Belle Isle plantation where he gets himself into hilarious trouble.