Mr. Pontbichot has long dreamed of cheating on his wife. To achieve his goals, he looks for a son-in-law who could help him, and finds him in the person of a young painter, who pleases his daughter.

World War I aviator Carbot attempts to establish a commercial airline after the war, for the purpose of delivering the mail to the outermost regions of France.

A young woman's comfortable life with her boyfriend is disrupted when he leaves for military duty, entrusting her to a playboy friend seeking a fake marriage for inheritance. Complications arise as a prince enters the scene, pursuing her romantically.