Movies like men behind the sun

Men Behind the Sun is a 1988 Hong Kong historical exploitation horror film directed by T. F. Mou, and written by Mei Liu, Wen Yuan Mou and Dun Jing Teng. The film is a graphic depiction of the war atrocities committed by the Japanese at Unit 731, the secret biological weapons experimentation unit of the Imperial Japanese Army during World War II. It details the various cruel medical experiments Unit 731 inflicted upon Chinese and Siberian prisoners towards the end of the war.