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.
as Lau Kin Ming
as Chan Wing Yan
as Wong Chi Shing
as Hon Sam
as Lee Sum Yee
as Mary
as May
as Silly Keung
as Inspector B
as Young Chan Wing Yan
as Young Lau Kin Ming
as Senior Inspector Cheung
as Officer Leung
as Del Piero
as Suspect
as Stereo Shop Owner
as Cadet School Principal Yip
as Paul
as Elephant
as Double 8
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as CIB Team
as Sam's Follower
as Sam's Follower
as Sam's Follower
as Sam's Follower
as Sam's Follower
as Sam's Follower
as Sam's Follower
as Sam's Follower
as SP Chan
as SP
as Cadet School Instructor
as May's Daughter
as Policeman
as Chief Insp.
as Nanny
