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.