Police officer Huang Wei (played by Tony Leung Ka Fai) was seconded to investigate a case involving police officers. In order to collect evidence, Huang Wei was in danger of going to jail. The prison under the warden of Fire Island (played by Ke Junxiong) is full of violence, injustice, and institutionalized fighting among prisoners. Huang Wei soon met his roommate Xiao Zhu (played by Tuo Zonghua) in prison...