Director: Alan Mak Siu-Fai
Studio: Media Asia Films
Audience Rating: 7.802
Genres: Drama, Action, Thriller, Crime, Mystery
Overview: 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.