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.
Maurice Chevalier
as Dr. Andre Bertier
Jeanette MacDonald
as Colette Bertier
Genevieve Tobin
as Mitzi Olivier
Charles Ruggles
as Adolph
Roland Young
as Professor Olivier
Josephine Dunn
as Mademoiselle Martel
Richard Carle
as Henri Dornier - Private Detective
Barbara Leonard
as Mitzi's Maid
George Barbier
as Police Commissioner
Lita Chevret
as Party Guest (uncredited)
Sheila Bromley
as Colette's Downstairs Maid (uncredited)
Charles Judels
as Policeman (uncredited)
