In order to support her sister and her sister's small child, Mary Tracy leads a double life: by day, she works as a schoolteacher; nights, she dances in a cabaret show. Mary becomes interested in Bill Adams, whose mother is prominent in an anti-vice crusade, and therefore attempts to quit her job in the cabaret. Al Morton, the club's owner, holds her to her contract, however, and Mary is caught up in a police raid on the cabaret. The club is shut down, and Mary is fired from her teaching post. Morton threatens to expose Bill (who is running a crime syndicate with money embezzled from his father's bank), and Bill sets out to take Morton for a ride. Finally realizing that she has fallen in love with Morton, Mary calls the cops and saves him from certain death. Bill is arrested, and Mary and Morton decide to get married.

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