Atlantic Wall (1970)

"Atlantic Wall" is a 1970 Adventure movie directed by Marcel Camus and starring by Bourvil, Sophie Desmarets. 1944. Léon Duchemin owns a restaurant with his sister. His clients are Germans, Résistance et black marketeers. Léon unwillingly joins the Résistance when a British pilot is shot down and hides in his attic and, through a series of mishaps, he accidentally steals the plans for Hitler's V1 missiles.