Lok, a Hong Kong undercover policeman, struggles in the conspiracy between gangs and the police in order to investigate the truth of gangs' drug trafficking.
Sam Wong Ming-Sing
Richie Jen
Simon Yam
Alex Fong Chung-Sun
Patrick Tam Yiu-Man
Ron Ng Cheuk-Hai
Danny Chan Kwok-Kwan
Jerry Lamb Hiu-Fung
Gregory Charles Rivers
Vincent Wan Yeung-Ming
Kevin Chu
Sammo Hung Kam-Bo
Karena Lam Kar-Yan
Kenneth Tsang
Eddie Cheung Siu-Fai
Alice Chan Wai
iQIYI Pictures （重复 同 iQiyi Motion Pictures）
Hengye Movie
