Editing Infernal Affairs II (section)

=== In 1995 ===

Lau has risen as a rookie cop, due to tips on criminal dealings from Hon. Meanwhile, Chan has become a small-time gangster after his and Keung's release from prison. Chan's girlfriend aborts their baby due to his gang association. Hau invites Chan to join the Triad, then tells the Big Four and Hon that he wants to emigrate, leaving them the Hong Kong underworld. Hau sends Hon to Thailand to link up with Thai cocaine smugglers, Hon leaves despite Mary's warning of a trap. Mary meets Wong; it is revealed that Wong ordered her to kill Kwun.

Hau's right-hand-man, Law, an undercover cop, tips off the next deal of Hau's. There, the police arrest Hau, but instead of finding drugs, they find a video located by Hau's hired private investigators, showing Mary and Wong's conspiracy to murder Kwun. Simultaneously, Hau's men assassinate the Big Four. Mary admits the truth about Kwun to Hon. Spooked, Hon and Keung kill many Thai mafia. Trapped, Hon makes a desperate overture to Thai mafioso Paul for an alliance. Paul attempts to shoot Hon; the gun misfires. Hau also sends a man to kill Mary, but Lau kills him to save Mary. The police release Hau, who kills Law after discovering Law's [[Covert listening device|wire]]. Chan saves Hau from a [[drive-by shooting]], possibly conducted by Lau.

Hau has a [[car bomb]] planted in Wong's car, which kills Wong's superior and friend, Superintendent Luk, while Wong is unharmed. Lau hides Mary in a safehouse. When she rejects his romantic advances and attempts to travel to Thailand for Hon, Lau anonymously betrays her to Hau's men, who kill her at [[Kai Tak Airport]].