Japanese troops round up Chinese and Russian prisoners of war and take them to unit 731, where they're horribly tortured and experimented on to test new biological weapons.
Casts
Gang Wang
Wang Runshen
Hsu Gou
Tie Long Jin
Mei Zhaohua
Zhe Quan
Zhang Guowen
Wong Ying-Kit
Men Behind the Sun - Official Trailer | Massacre Video
