In 1961, the UN sends an Irish peacekeeper troop commanded by Commandant Pat Quinlan to Katanga, in Congo, to protect the inhabitants of the mining town of Jadotville in the beginning of a civil war. Meanwhile the UN advisor Dr. Conor Cruise O'Brien launches a military attack named Operation Morthor against the French and Belgian mercenaries. Soon there is a reprisal from the mercenaries and Quinlan and his men are left under siege by a huge number of Katangese and mercenary troops. Will the Irish soldiers resist the attack?
