Anthony Chau-Sang Wong

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.

Jonah Mulray is a professor whose world comes crashing down when his wife is killed in a car crash in Hong Kong.

Future Chang, a former gigolo, is devastated by an affair and returns to Thailand. With help from a former friend, he works hard to get in shape to return to Hong Kong to make a comeback in the male escort trade.

A story between a mole in the police department and an undercover cop. Their objectives are the same: to find out who is the mole, and who is the cop.