When Lt. Wayne (John Wayne) is framed for the murder of his fiancé's brother, Armand Corday (Lon Chaney, Jr.), he vows to capture the real killer, a mysterious Arab terrorist known only as El Shaitan. He is aided by the Three Musketeers: Clancy (an Irishman always spoiling for a fight), Renard, and Schmidt (who loves sausages). Starring: Jack Mulhall, Raymond Hatton, Francis X. Bushman, Jr. and John Wayne.