To relieve the boredom of their marriage, young dancing team Georgette and Maurice Lalle are constantly on the alert for new flirtations. One morning, Dr. Paul Giraud comes to their apartment with the intent of thrashing Maurice with his cane for entrancing his wife Suzanne by practicing in front of the open window, but his temper quickly cools as he recognizes Georgette as a former sweetheart, and he tells Suzanne a fantastic story to cover his flirtation with Georgette. Maurice, however, returns the doctor's cane, begins a counter-flirtation with Suzanne, and tells her about her husband's philandering. Driving to meet Georgette, Giraud is arrested for speeding. Meanwhile, Maurice visits Suzanne, but when officers come to take the doctor to jail, Maurice declares he is Dr. Giraud to save Suzanne's reputation. Suzanne hears on the radio that Georgette and Giraud have won a Charleston contest at the ball; upon going to the ball, she finds the doctor intoxicated. After a number of amusing tiffs, Georgette finds a new admirer, and the couple reconciles.
Georgette lives in Paris with her unexciting, effeminate husband, an actor and interpretive dancer. Meanwhile, Suzanne lives across the street and reads romance novels while dreaming of someone more exciting than her own lackluster spouse Maurice. Each woman happens across the other's husband and begins her dream affair. Four people, each cheating on their spouse, and none of them is aware that their own spouse is cheating. Who will find out first, and how?