In this prequel to Mou gaan dou (2002), Chan Wing Yan has just become an undercover cop in the triads while Lau Kin Ming joins the police force. Both the triads and the police find an enemy in a rival crime boss.
Directed By
Andrew Lau Wai-Keung, Alan MakWritten By
Alan Mak, Felix ChongStudio
Media Asia Films, MediaCorp Raintree Pictures, Watch on these services
Cast of Infernal Affairs II
Infernal Affairs II Reviews