Screenplay
In a district within Hong Kong five gangs have an uneasy truce as they all work within the area. Chaos then ensues when triad leader Jimmy is shot. Jimmy's wife Cheung Wah then appoints his bodyguard Po as the temporary leader of the gang over Jimmy's #2 man Blackie. Po must now find the assassin, control the seething Blackie, and keep their rival gangs at bay before all hell breaks loose...
Screenplay
After working as an undercover in a triad for 8 years, Sheng finally arrests the triad leader and resumes his duties as a police officer. However, life does not return to normal as he is faced with suspicions colleagues and even trailed by the investigations team. One day, he meets some triad members whom he has earlier befriended as an undercover agent and is forced into a corner when asked to collaborate with them once again.