4.3Men Behind the Sun 2: Laboratory of the Devil Jul. 10, 1992Men Behind the Sun 2: Laboratory of the Devil IMDb: 4.3 1992 96 min 22 viewsIn the spring of 1945, Japan established a secret base, Unit 731 in Manchuria, where many innocent Chinese, Korean and Mongolian people were ...DramaHorrorThrillerWar