In 1944, Léon Duchemin (Bourvil), a restaurant owner living in Normandy, leads a peaceful life. His restaurant is frequented by German officers, black marketers and members of the French Resistance, but his clients’ exploits hold no interest for him at all. That is until an English airman (Peter McEnery) falls out of the sky and lands in his daughter’s bed. From that day, his life takes an unexpected turn and he ends up as an unwitting agent of the Resistance…