AKA
C+ jing taam

Summary
Tam is an impoverished private detective. One day, a guy nicknamed 'Fatty' asks Tam to track down a woman who had wanted to kill him. He leaves Tam a portrait of the woman without giving any details. Tam cannot resist the money and starts the investigation. He identifies the woman as Sum, a frequent mahjong player.

Tam starts tracking her whereabouts through her mahjong playmates, but he is shocked to find each of them murdered every time he is about to get in touch with them. He discovers a half-burned photo at one of the murder scenes. Tam decides that he has to protect the next target of the invisible murderer. The photo is the only clue for Tam to uncover the case.

Cast
Aaron Kwok - Tam
Kai Chi Liu - Chak
Fui-On Shing - Lung
Tak-bun Wong - Hung
Yiu-Cheung Lai - Wing
Siu-Ming Lau - Uncle Cheung
Tin-Ngoh Seung - Fong
Suet Siu - Ming's wife
Natthasinee Pinyopiyavid - Sum
Chaiyapong Settagam - Ming
Jo Kuk
Au Hin Wai - Bank Manager