Spunky shopgirl Betty Lou Spence (Clara Bow) has a crush on her handsome employer, Cyrus Waltham, Jr. (Antonio Moreno), the new manager of and heir to the "world's largest store". However, they belong to different social classes and he is already romantically linked to blonde socialite Adela Van Norman (Jacqueline Gadsden). But Cyrus's silly friend Monty (William Austin (actor)) notices Betty, and she uses him to get closer to Cyrus.