Maurice Courtelin, a Parisian tailor (Maurice Chevalier), is owed a great sum of money by a viscount (Charles Ruggles). Stalling for time, the titled but penniless nobleman moves Maurice into the family chateau and passes him off as a baron. The beguiling Maurice soon charms the entire aristocratic household, except for the haughty Princess Jeanette (Jeanette MacDonald), who remains suspicious of him. But suspicion eventually gives way to love.
The small kingdom of Marshovia has a little problem. The main tax-payer, the wealthy widow Sonia (who pays 52 0f the taxes) has left for Paris So Count Danilo is sent to Paris, to stop her from getting married by a stranger, so that the danger of removing the money is banned. But this is not that easy as the ambassador in Paris has planned.
Weary of the conventions of Parisian society, a rich playboy and a youthful courtesan-in-training enjoy a platonic friendship, but it may not stay platonic for long. Gaston, the scion of a wealthy Parisian family finds emotional refuge from the superficial lifestyle of upper class Parisian 1900s society with the former mistress of his uncle and her outgoing, tomboy granddaughter, Gigi. When Gaston becomes aware that Gigi has matured into a woman, her grandmother and aunt, who have educated Gigi to be a wealthy man's mistress, urge the pair to act out their roles but love adds a surprise twist to this delightful turn-of-the 20th century Cinder...
Almost 19-year-old Marius feels himself in a rut in Marseille, his life planned for him by his cafe'-owning father, and he longs for the sea. The night before he is to leave on a 5-year voyage, Fanny, a girl he grew up with, reveals that she is in love with him, and he discovers that he is in love with her. He must choose between an exciting life at sea, and a boring life with the woman he loves. And Fanny must choose between keeping the man she loves, and letting him live the life he seems to want.
Director Billy Wilder salutes his idol, Ernst Lubitsch, with this comedy about a middle-aged playboy fascinated by the daughter of a private detective who has been hired to entrap him with the wife of a client.