This melodrama tells the tale of a great battle between the French Foreign Legion and the rebellious Arab tribe, the Tuaregs, who fight it out upon the blistering Sahara sands. Just before the Legionnaires embark upon their dangerous mission, the commander discovers that he is being cuckolded by his lieutenant. Because the mission is urgent, there is no time to fight over the commander's wife. Unfortunately, as they travel, the tension between the two mounts and they begin squabbling over how to plan the attack. Their inability to work together results in tragedy.

Brothers Beau, John and Digby Geste join the Foreign Legion, where they fall under the rule of tyrannical Sergeant Markoff. Beau and John are assigned to Fort Zinderneuf, where Markoff tries to break their spirit, aware of a dark family secret concerning a fabulous jewel one of them carries. As tensions rise, Arabs attack the fort and rivalries must be thrown aside in a desperate battle for life.

Brothers Beau, John and Digby Geste join the Foreign Legion, where they fall under the rule of tyrannical Sergeant Markoff. Beau and John are assigned to Fort Zinderneuf, where Markoff tries to break their spirit, aware of a dark family secret concerning a fabulous jewel one of them carries. As tensions rise, Arabs attack the fort and rivalries must be thrown aside in a desperate battle for life.

A man masquerading as a dead soldier seeks to desert his post and join the enemy in their struggle.

Charles Jackson, an American sea-captain and singing soldier-of-fortune, is arrested by the French Foreign Legion for running guns to the rebel forces in Morocco fighting against the rule of the French in north Africa. He is saved by Lili La Fleur, a singer/dance in a Morocco café and, through her, eventually becomes a hero to the Foreign Legion.

Just after World War I, Major Foster is incorporating new recruits into his French Foreign Legion platoon when he is sent to his former remote outpost located in the French Morocco to protect an archaeological excavation from El Krim, a Rifian leader who intends to unite all local tribes to fight the colonial government…

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.

Dashing legionnaire Rick O'Connell stumbles upon the hidden ruins of Hamunaptra while in the midst of a battle to claim the area in 1920s Egypt. It has been over three thousand years since former High Priest Imhotep suffered a fate worse than death as a punishment for a forbidden love—along with a curse that guarantees eternal doom upon the world if he is ever awoken.

The star-crossed desert romance of a cloistered woman and a renegade monk.

Tom Wayne rescues Clancy, Renard and Schmidt in the Arabian desert and they join him in going after El Shaitan, a bad guy who is never seen as he tries to wipe out the Foreign Legion. Feature version of the movie serial, The Three Musketeers (1934).

Captain Gerard, greatest lover in the Foreign Legion, is assigned to escort an emir's daughter to her father's mountain citadel and find out what he can about the emir's activities. Gerard enjoys his work with lovely Cara, but arrives to find rebellion brewing.

Bob Carter, a member of the Foreign Legion, is glad to see his brother, Don, for the first time in ten years but is sorry that Don has joined the Legion. Bob, Don and Bob's buddies, Muggsy and Bilgey, go to a café and there Don falls for Nina, a singer in love with Bob. Bob doesn't know this and thinks she is Garccia's girl, and warns Don to have nothing to do with her. Don disregards the warning and Garcia discovers Nina and Don together and provokes Don into hitting him. Don is arrested and thrown into the company brig. Nina, with the aid of an Arabian sheik, Ul Ahmed, helps Don escape. Bob, Muggsy and Bilgey follow but are captured and taken to Ul Hamid's headquarters. The sheik tortures Don to force Bob to work some captured machine guns for him. Ah Hamid and his tribe attack the fort, but Bob manages to turn the machine guns against his captors, and the fort is saved.