An undercover cop who invade a drug cartel led by a notorious Thai drug lord. In classic heroic bloodshed fashion, the two develop a bond of brotherhood.
郭富城
as Cheung Kin Heng / Billy
古天樂
as Au Chi Yuen / Mak Chun Wing
劉青雲
as Suchat
楊采鈺
as Noon
羅嘉良
as The Commander
謝君豪
as Mee Noi
方中信
as Police Chief Superintendent
林雪
as Brother Big
陳國邦
as So Chi Leung
洪天明
as Johnny
劉浩龍
as Junior
蘇偉泉
as Punky
