Raised by an infamous gang of thieves after his father, the Caliph of Baghdad, is killed, Ali Baba (Jon Hall) resolves to seek vengeance for his father's murder and reclaim his rightful place as the royal leader of Baghdad in this classic adventure. Meanwhile, he falls in love with beautiful Amara (Maria Montez), the daughter of an evil Mongol tyrant's advisor, and must rescue her from a terrifying fate in the clutches of his enemies.