The leader of a certain gang was shot while returning home by car at night, and the murderer is nowhere to be found. The gang debated over the issue of succession. In order to avoid division and dispute, the gang elder Ma Gong (played by Wu Ma) discussed with lawyer Wang (played by Huang Zhan) and entrusted the boss to designate the honest and hardworking Ah Xiu (played by Danny Lee) as the gang successor. On the other hand, Ah Tai (played by Chen Kuan-tai), who was a contemporary of Ah Xiu, received a call from the boss's driver one day, saying that Ah Xiu was the behind-the-scenes instruction to assassinate the boss. After hearing the recording, Ah Tai's younger brother Xiao Qi (played by Stephen Chow) was furious and vowed to make Ah Xiu pay the price. A war involving gang conspiracy, vendetta and brotherhood then unfolded...