Nordwestwind (1976) - IMDb
Directed by Jacques Rivette. With Geraldine Chaplin, Bernadette Lafont, Kika Markham, Humbert Balsan. On an island beach a woman vows to avenge her brother's death at the hands of a pirate leader. With help, the woman spies on the pirates and then gets a job as bodyguard to the pirate leader.