Soon after being wed, American heiress Lady Pearl Grayston realizes her husband has married her for her money and is keeping a mistress. The two maintain a loveless marriage, a trade-off Pearl accepts in order to gain admittance to her husband's aristocratic social circle. While Pearl pursues her own affair with gigolo Pepi D'Costa, her visiting sister, Bessie, arrives and is appalled when Pearl's arrangement is revealed.

Young Parisian Nana wards off of a boozed-up military officer at a local restaurant, and fellow diner Gaston Greiner is so impressed with her pluck that he decides to make her a performer at his musical theater. Soon, Nana is a star, and the girlfriend of Greiner and two other men. But when he learns that she's been getting around, Greiner fires her. As she tries to reclaim her singing job while dodging yet another suitor, her treachery might get the better of her.