Lover of the Swindler

Bumbling Hong Kong detectives Lui (Kenny Bee) and Leung (Tony Leung Ka-Fai) go undercover in an apartment complex to keep watch over Pearl Chan (Carina Lau), a high school teacher who is suspected to be connected to a rare diamond theft involving a notorious thief named Mr. Mickey (Simon Yam). Meanwhile, the legendary Black Rose (Veronica Yip) appears and is also in pursuance of Mr. Mickey, wanting him to surrender himself and the diamond in order to clear her name.

Third Master Sha (Tony Leung Chiu-Wai) is a descendant of a powerful gambling family who must battle Yam Tin Sau (Ekin Cheng), the descendant of the rival gambling family to save his family's name. In order to win, Hui hires the China King of Gamblers Hui Man Long (Tony Leung Ka-fai) for help.