A jewel thief's accomplice falls for a mysterious gentleman crook. Together, they decide to reform but trouble finds them when the girl's boss is killed during a struggle.
Paramount's 1st ALL TALKIE Reported killed in action, Philip Voaze(William Powell) lives under an assumed name in London. Deborah Kane(Evelyn Brent) a former love, discovers him and tries to blackmail his wife, Faith(Doris Kenyon), who has since remarried. Learning of this attempt and that he has a fatal heart disease, he kills Deborah and turns himself in to the police.
When a play's two producers are murdered, the playwright tries to solve the crime.
A desert-bound member of the French Foreign Legion exposes a betrayer to the Legion. He is then sent on a mission among the Arabs to conclude the signing of a crucial peace treaty.