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.
Senior Inspector Lau Kin-ming
Chan Wing-yan
Superintendent Wong Chi-shing
Hon Sam
Dr. Lee Sum-yee
Mary
May
Tsui Wai-keung
Inspector B
Young Chan Wing-yan
Director
Screenplay
Director
Producer
Screenplay
Producer
Producer
