4.4 Man Behind the Sun 2: Laboratory of the Devil Jul. 10, 1992 Man Behind the Sun 2: Laboratory of the Devil IMDb: 4.4 1992 96 min 5 views In the spring of 1945, Japan established a secret base, Unit 731 in Manchuria, where many innocent Chinese, Korean and Mongolian people were ... DramaHorrorThrillerWar