Tin (by Sean Lau), Chow (by Louis Koo) and Wai (by Nick Cheung) are brotherly bonded partners in Narcotics Bureau. The three have an opportunity to capture notorious drug lord Eight-faced Buddha (by Lo Hoi Pang) in Thailand, during the operation Tin's team is completely annihilated, Tin is forced to choose one survivor between Wai and Chow. The destiny of the three is twisted...