On the eve of World War II, Japan supported the establishment of Manchukuo in northeast China, and set up the Unit 731 Research Headquarters in Harbin to conduct bacteriological weapons research. In February 1945, Lieutenant General Shiro Ishii, a Japanese military doctor, returned to take charge of Unit 731, and he was joined by a group of junior soldiers from Chiba Prefecture. The junior squad of the squad members was highly anticipated by the military, and they and the new bacteriological weapons under development were seen as the hope of saving Japan from defeat. The juvenile class was forced to watch frostbite experiments, bacteriological bomb experiments, and vivisection experiments using Chinese, North Koreans, and White Russians during rigorous training, and the juvenile nature was infected and distorted by bloody scenes. In the early summer of 1945, the defeat of Japanese militarism was inevitable, and Shiro Ishii frantically tried to make plague bombs to save the "Great Japanese Empire", but the end of fascism was imminent......