In ancient Persia the son of Ali Baba (of forty thieves fame), Kashma Baba is a military cadet by day and a party goer by night. He falls for a girl who he later finds is an escaped slave girl belonging to the wicked Caliph. They flee to his father's palace. But alas, there's more to her than meets the eye. Will the evil schemers succeed? The sons of the Forty Thieves to the rescue!