Synopsis: the film is adapted from American science fiction horror novelist and playwright Richard Matheson (Richard Matheson; February 20, 1926) published in 1953 novel "Someone is Bleeding". Winter in Nice. Screenwriter Francois Fran ç ois (Claude Brasseur) is working on a new TV play, but he can't concentrate because he has noticed a sad-looking young blonde Peggy (Miret Dark) pacing on the beach more than once. So curiosity turned into love, and Francois decided to contact her. Career sensitivity made him interested in the reasons behind Peggy's loneliness. Soon after, Peggy's only friend, lawyer Mark Marc (Alan Delon), tells him that Peggy is a prime suspect who had to engage in prostitution for drug use and killed her husband two years ago.