In Might 1978, the mining city of Kolwezi in Katanga, Zaire (now Democratic Republic of Congo, the previous Belgian Congo) is underneath assault from a gaggle of communist guerillas coming from close by Angola. The Europeans who work for the Belgian mining firm and the Blacks who dwell within the city are taken as hostages by the invaders, who begin a blood bathtub, capturing Europeans in addition to Africans. Lots of the Europeans being French, the French determine to prepare a counter-attack, and to ship a Regiment of Paratroopers from the International Legion. The film follows the tales of Delbart, a former non-commissioned officer, who was about to return to France together with his African spouse and his baby, Damrémont, who was Delbart's substitute, Bia, a Zairian physician, and Annie, an American married to a Belgian engineer in addition to Non com Legion officer Federico and the French Ambassador and the Navy Attaché.