Jonesy and Lou are in Algeria looking for a wrestler they are promoting. Sergeant Axmann tricks them into joining the Foreign Legion, after which they discover Axmann's collaboration with the nasty Sheik Hamud El Khalid.
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!
Douglas MacLean stars as The Young Thief, who falls in love with The Girl, played by Sue Carol. Alas, the Girl has been sold into the harem of The Wazir (Albert Prisco), forcing the Thief to sneak into the palace to rescue her.
A warrior protecting a slave girl, who is really a princess, winds up as a gladiator in the Roman arenas.
When a ship carrying the daughter of Rhodes' governor and secret documents is captured by Mediterranean pirate Dragut, the governor tasks captain Diego with their recovery before they can be sold to Sultan Selim.
Saracen pirates aboard the "Black Eagle" attack Christians strongholds along the coast of Spain. When they stop off in Sheba to re-supply, they also buy female slaves and end up fighting over them.