Watch Full Movie Online. Ratnik, is the story of a World War III soldier returning home after a quarterly phase rotation programme, only to find out that her home front has now descended into some kind of chaos. Set in a remote Africa town during the early days of World War III, a special trooper Sarah Bello (Osas Ighodaro) returns home from the war-front to meet an unpleasant scenario. Her only sister has abused a certain chemical substance, and the race to save her life begins a new kind of war where the most advanced war machine known to man is unveiled.