Men Behind the Sun 2: Laboratory of the Devil (1991) is a War, Horror, Drama, Thriller film that follows in 1935, Japan's Unit 731 conducts inhumane experiments. A doctor tries to free prisoners, including his fiancée, from the camp while witnessing atrocities. Men Behind the Sun 2: Laboratory of the Devil is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.1 out of 10 from 24 votes. Fans of war movies may also want to explore similar titles below.