Lucas has invented a new computer language but at the same time he has been informed about his strange terminal illness during which he has been gradually losing his memory. Shortly after that he meets Blanche who acts as a medium in a bizarre traveling show. Dying Lucas follows her to the sea resort where they spend together several days and nights.
Nathan loved Helen, a young American comedian. He lets her return back to the United States. When he realized he made a mistake, he decides to go to Chicago and find her.
This fast-paced mystery is in part based on a novel by Yves Ellena and is at least equally based on the 1943 classic Le Corbeau, which in 1951 was produced in English by Otto Preminger as The Thirteenth Letter. In this movie, someone is using a pirate radio broadcast to dish the dirt on the lives of the elite of a small French town.
