Weeks after Chan Ho Nam (Ekin Cheng) is elected branch leader of Causeway Bay of the "Hung Hing" Society, "Chicken" Chiu (Jordan Chan), best friends Banana Skin (Jason Chu), Pou-pei (Jerry Lamb), Dai Tin-yee (Michael Tse) and K.K.
(Halina Tam) after joining the Taiwanese "San Luen" triad, is reinstated into Hung Hing by Chairman Chiang Tin Sung (Simon Yam).
At the same time, rival triad "Tung Sing", led by "Camel" Lok (Chan Wai Man) begins to make a name for itself, establishing bars and clubs alongside Hung Hing's areas of operations.
Things become heated when Tung Sing member "Crow" (Roy Cheung) fuels a deep-seated rivalry between him and Ho Nam, with the threat of open war between the two societies.
Now fueled solely on vengeance, Ho Nam decides to march into Tung Sing territory and kill Crow at Camel's funeral haphazardly.