The Secret (Le Secret) is a 1974 French film, directed by Robert Enrico. It is a paranoid thriller film.
At the start we see Jean-Louis Trintignant as a prisoner escaping from custody. On the run, he arrives at the home of a couple living in an isolated farmhouse (Marlène Jobert and Philippe Noiret). He claims that he is in possession of an important secret which the authorities are concealing, but he cannot disclose what it is himself. The couple are unsure whether to believe him, but give him some assistance.