The Student Prince in Old Heidelberg

Thief Gaston Monescu and pickpocket Lily are partners in crime and love. Working for perfume company executive Mariette Colet, the two crooks decide to combine their criminal talents to rob their employer. Under the alias of Monsieur Laval, Gaston uses his position as Mariette's personal secretary to become closer to her. However, he takes things too far when he actually falls in love with Mariette, and has to choose between her and Lily.

A happily married woman sees a psychoanalyst and develops doubts about her husband.

A prince from a small kingdom courts a wealthy widow to keep her money in the country.

Andre and Colette Bertier are happily married. When Colette introduces her husband to her flirtatious best friend, Mitzi, he does his best to resist her advances. But she is persistent, and very cute, and he succumbs. Mitzi's husband wants to divorce her, and has been having her tailed. Andre gets caught, and must confess to his wife. But Colette has had problems resisting the attentions of another man herself, and they forgive each other.

Professor Stock and his wife Mizzi are uhappily married. The professor, suspicious of his wife, hires a detective to spy on her in hopes of obtaining a divorce. Mizzi sets her sights on seducing Dr. Franz Braun, the new husband of her good friend Charlotte. Dr. Braun's colleague, Dr. Mueller, who has his eye on Charlotte, sees this as his opportunity. Through a misunderstanding, Charlotte thinks that her husband is interested in Miss Hofer, and asks Mizzi to keep him occupied... around and around the circle goes in Lubitsch's refined comedy of mistaken infidelity.

Somewhere in Southern Bavaria Xaver wants to marry Gretel, but her father Kohlhiesel wants his elder daughter Liesel to marry first. The problem is, nobody wants to marry her, because she's too brutal. Seppel suggests, that he should marry Liesel first, get rid of her and then he can marry Gretel...