Georges Despeu, an unremarkable man, is about to reunite with his daughter Barbara, whom he hasn't seen since she was a child. She returns from the United States to meet him. With his brother's help, who manages the Monjambier estate, Georges decides to pretend to be a wealthy owner and move into the grand villa to impress Barbara. However, his plans are disrupted when two criminals seeking refuge take shelter in the villa, and Mr. Monjambier arrives with his secretary for a secret weekend getaway.