Pierre, who is a Fine Arts student, and Denise, who is a chemistry student, work for a department store where, wearing wedding suits, they distribute flyers to passers-by. The store manager, Bernard, falls in love with Denise and arranges to take her to an inn not far from Paris, run by the handsome Robert. This one opens Denise's eyes who ends up returning to her home. After a fight between Pierre and Bernard, Denise ends up choosing to stay with Pierre.
The Marquis de Barfleur, an unattractive man, decides to resort to plastic surgery to ensure the fidelity of Colette, his young mistress. Now endowed with a face to die for, he is about to achieve his goal. But the Marchioness de Barfleur, the Marquis' loving wife, does not hear it that way. She has her revenge claiming everywhere that her husband is... dead! An assertion people believe since they do not recognize the Marquis! When her vengeance has lasted long enough, she forgives the Marquis and husband and wife fall into each other's arms.
Dr. Lucien Petypon is usually a serious man, but, drawn by his friend Corignon, he once paints the town red at Maxim's. When he wakes up late the next morning, he finds the scantily clad Môme Crevette, a dancer at the famous Paris restaurant, by his side. It is the moment General Petypon du Grêlé, Lucien's rich uncle, chooses to make an unexpected visit. The good doctor has no other choice but to pass Crevette off as his lawful wife.