A battalion of the Foreign Legion receives the mission to push back the Germans whose heavy artillery locks part of Tuscany. Still a teenager, the courageous Renato Moretti decides to help these legionaries.
1945, the Third Reich has just collapsed. Soon the Americans were trapped by a group of the Hitler Youth who refused to surrender. Castorp reports, is charged with a mission of the utmost importance: to liquidate this enemy faction.
Indochina, 1947, during the evacuation of Haut Tonkin. Captain Tramoni's company, which included Zuilen, was slow to abandon its post. In Chu, where the legionaries stop, food is starting to run out.
Tonkin Delta. Corporal Pierre Duffel, although renowned for his negligence, is brave and reckless. Driver of Captain Ellul's jeep and king of mechanics, Duffel notes the very advanced state of wear of the vehicle.
Nam-Dinh, 1947. A company of the 3rd Foreigner is surrounded by the Vietnamese. One night, the legionary Vanost captures a young boy who claims to want to join the Legion. He is only twelve years old and an orphan.
Within the Legion, the friendship between Staff Sergeants Kloff and Steiner is recognized. Encountered in Indochina, in a prison camp, it was together that they had tried to escape.
Hans Muller is an explosives specialist. Everyone turns to him when it comes to attempting the impossible. In Algeria, on the Tunisian border, the young Ducreux had his thigh crossed by a mortar projectile which did not explode.
Ouarsenis, Jacques Larue, a young corporal of the Legion, acts as teacher there. Teaching seems more important to him than fighting. Among his students, 14-year-old Hammah admires and respects his teacher.
An ambulance transports a leader of the Algerian rebellion, seriously injured in the lung. At his bedside: Anne, a French nurse and the young man called up, Sergeant Sevek. A legionary truck escorts them. An ambush would be fatal.
Benjamin of the commando, Pryde left his country, crossed the Iron Curtain, to find a Parisian actress with whom he fell madly in love. Very quickly, he finds himself involved in a case of thugs, who undermine him.
Colonel Vigne explains to the 11 men the object of their mission and presents to them the one who will be the leader: Lieutenant Charrier. How will he, a young officer, be able to impose his authority on these lions ?
The twelve legionaries, parachuted at night, landed in the equatorial forest, 30km from the dam held by the mercenaries who threatened to blow it up. At dawn, the commando spotted a group of rebels.
Divided into two groups, the commando carries out two distinct actions. A conduct by Duffel is based on the ruse: disguise himself to seize a convent occupied by the mercenaries. Another action led by Charrier, more military.
