Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.
Directed by: Alan Mak Siu-Fai, Andrew Lau Wai-Keung
Cast: Andy Lau, Tony Leung Chiu-wai, Anthony Wong Chau-Sang, Eric Tsang Chi-Wai, Kelly Chen Hui-Lin, Sammi Cheng Sau-Man, Elva Hsiao, Chapman To Man-Chat, Gordon Lam Ka-Tung, Shawn Yue Man-Lok, Edison Chen, Berg Ng Ting-Yip
Genres: Action, Crime, Detective, Drama, Mystery
Rating: 7.6/10