Chu Yen-ping directs this all-star cast prison flick about cop Huang Wei (Tony Leung Kar-fai) who goes into the clink undercover to figure out how the fingerprints of a long deceased death-row inmate ended up at the scene of a recent murder. There he quickly runs afoul of gangland powers, making his life a living hell. His fellow inmates include Lung (Jackie Chan) who killed a card sharp to pay for an operation for his girlfriend; Triad (Andy Lau Tak-wah) who looking for the guy who killed his brother in jail; and Lui (Sammo Hung Kam-po) a sadsack con who regularly breaks out to visit his son. Later, Huang kills a prison guard and is sentenced to death. He soon learns that the jails crazed warden is using supposedly executed criminals to kill crime bosses who are beyond the law. ~ Jonathan Crow, All Movie Guide