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.
A crook on the run hooks up with a criminal gang to commit a kidnapping. However, things don't go quite as planned.
