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.
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Credits: TheMovieDb.

Film Cast:

• Lau Kin-Ming: Andy Lau
• Chan Wing-Yan: Tony Leung Chiu-wai
• Wong Chi-Shing: Anthony Wong
• Hon Sam: Eric Tsang
• Lee Sum-Yee: Kelly Chen
• Mary: Sammi Cheng
• Lau Kin-Ming (young): Edison Chen
• Chan Wing-Yan (young): Shawn Yue
• “Silly” Keung: Chapman To
• Del Piero: Dion Lam Dik-On
• Inspector B: Gordon Lam
• Officer Leung: Wan Chi-Keung
• Senior Inspector Cheung: Berg Ng
• Suspect: Tony Ho
• May: Elva Hsiao
• Stereo Shop Owner: Courtney Wu
• CIB Team: Victy Wong Yin-Keung
• Double 8: Eric Li Tin Cheung
• Sam’s Follower: So Wai-Nam
• …: Chaucharew Wichai

Film Crew:

• Director of Photography: Lai Yiu-Fai
• Music: Kwong Wing Chan
• Editor: Danny Pang
• Producer: Andrew Lau
• Director: Alan Mak
• Screenplay: Felix Chong

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