Bourvil, Sophie Desmarets, Peter McEnery, Sara Franchetti, Jean Poiret, Reinhard Kolldehoff, Pino Caruso, Terry-Thomas, Roland Lesaffre, Jacques Balutin, Robert Le Béal, Jacques Préboist, Jess Hahn, Guy Delorme, Jackie Sardou
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.