Algeria, 1960. A section of French paratroopers are sent in search of a missing aircraft in the Algerian desert. The wreckage of the plane is quickly located, but there are no survivors, just a suitcase stamped "Top Secret". Stormed by enemy soldiers, the troops find refuge in a strange abandoned citadel. Despite warnings from the place's Guardian to leave at once, they wake up the Djinns, the evil spirits of the desert...