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.

At Theater tonight is a TV show broadcasted from 25th August 1966 to 21st September 1985. The show is broadcast plays recorded in two or three days, during public performances at the Théâtre Marigny on the Champs-Élysées, or sometimes Edouard VII theater.