In French Indochina, a magistrate is assigned to investigate the murder of his boss. Unknown to him, the boss had a policy of requiring the wives of his subordinates to sleep with him if they wanted their husbands to get promoted. What he also didn't know was that his wife was in the boss' office when he was killed. Complications ensue.
Michael "Beau" Geste leaves England in disgrace and joins the infamous French Foreign Legion. He is reunited with his two brothers in North Africa, where they face greater danger from their own sadistic commander than from the rebellious Arabs.
Stationed at the Mexican border, a young lieutenant whose job is to capture a ring of narcotics smugglers, spies his sweetheart, the daughter of a U. S. Customs official, in a cantina suspected of being the headquarters of the dope ring.
Don Diego Vega pretends to be an indolent fop as a cover for his true identity, the masked avenger Zorro. Preserved by the Academy Film Archive in 2012.