16-year-old Louis is the son of his high school's headmaster. His best friend, Greg, risks being expelled after assaulting a young English teacher.
To take revenge, Greg decides to kidnap her. Louis becomes his accomplice by giving him the keys to the family cabin located on a remote islet in the marshes. Tied up and humiliated, Camille is kept prisoner. They're to free her the next morning, but Greg doesn't turn up at the agreed time...
