In the spring of 1945, Japan established a secret base, Unit 731 in Manchuria, where many innocent Chinese, Korean and Mongolian people were killed in grotesque experiments. An idealistic young doctor , Morishima, is horrified by the experiments being performed in the camp and when his fiancée arrives disguised as a Chinese prisoner he sets out to liberate the camp. A docudrama sequel to the notorious Men Behind the Sun, which pulls no punches when it comes to delivering the shocks!
| Directing | Godfrey Ho | Director |
| Writing | Simon Fong | Writer |
| Production | K.P. Cheung | Executive Producer |
| Production | Ricky Wong Ka-Kui | Producer |
| Crew | Ming Ho | Cinematography |
| Editing | Leung Wing-chan | Editor |
| Production | Wing Yim Leung | Production Manager |
| Directing | Kang Chu | Assistant Director |
| Lighting | Jiu Lin | Gaffer |
| Crew | Kam-Fok Chan | Presenter |
| Crew | Cheung Kai-Ping | Presenter |
| Crew | Norman Law Man | Transcriptions |
| Production | Weixiong Yu | Other |
