Cruchadouze and Castaniet are two inseparable friends. One day they decide to leave Arcachon to try the adventure in Bordeaux. After various odd jobs, they come into contact with Betty Florent, the banker's wife. This one has just been contacted by a former accomplice who blackmails him by offering him an insurance scam. A big bonus on the head of a simpleton. Cruchadouze was passing by.
In the village of Sableuse, the local manor has been bought out by a nouveau riche, Emile Cousinet. When his wife Lisette, a former music hall actress, flees to Paris with young Pierre de Sableuse, Cousinet asks Father Pellegrin, the village vicar, to bring the lost sheep back home.
Reflecting the filmmaker's passion for automobiles, who in his youth participated in car races, the film portrays the attempt to manufacture a new model in the Ford factory in the city of Porto.
The mangiest pup at Pete's Pooch Palace catches the Captain's eye. He takes it home, but Mama is less than thrilled; she forbids it to stay in the house.
