Notorious first film in an Asian exploitation trilogy about Camp 731, a remote Japanese WWII outpost used as a training ground for military youth and a testing ground for torture. A new general takes over the camp, bringing a sadistic vision and a desire to use Chinese POWs as guinea pigs for brutal experiments. NOTE: Adults only; not for the squeamish! Hsu Gou and Andrew Yu star. AKA: "Man Behind the Sun," "Squadron 731." Standard; Soundtrack: English (dubbed) mono.