In this gripping French film directed by Jacques Becker, a group of inmates at a Parisian prison meticulously plan an escape, showcasing the tension and camaraderie that develops among them. The film is notable for its realistic portrayal of prison life and the intricate details of the escape plan, which are based on a true story. The cast includes Michel Constantin and Jean Keraudy, who bring authenticity to their roles, with Keraudy drawing from his own experiences as a former prisoner. This classic is celebrated for its suspenseful narrative and is available for free viewing on 123Movies / Movies123.