A shop girl has ambitions of marrying up.

Upon finding themselves in financial difficulties because of the failure of the Edgerton-Tennant Company, New York socialites Diana and Silvette Tennant decide to work as society hostesses.

Mary Grant has a gambling father and a mother who has disappeared. Even though she has been raised in a convent she proves true to her ancestry by running away to Monte Carlo and spending her small inheritance at the gambling table.