AllMovie

This Cantonese-language police procedural from director Dante Lam blends moralistic drama and tense action sequences, to startling effect. Distinguished detective Don Lee (Nick Cheung) takes a misstep with some grave consequences following a local drug bust, by issuing an arrest order that unveils the identity of cartel informant Jabber (Liu Kai-chi). Now at the mercy of local gangs, Jabber must live on the streets to protect his loved ones, which riddles Lee with guilt. The story then jumps forward one year, as history begins to repeat itself: Lee hires a new "snitch," Ghost (Nicolas Tse), who has been incarcerated while trying to work off his father's mob debt and free his sister from prostitution. As part of his undercover assignment for the Hong Kong Police Department, Ghost signs on as the driver for a gang of jewel thieves, and feeds Lee inside information about the cadre's next robbery. At the same time, however, he realizes that his decision to inform may ruin his potential for a romantic relationship with Dee (Guey Lun-mei), the girlfriend of local kingpin Barbarian (Lu Yi). The situation involving Jabber then rears its head once again, with unexpected long-term aftershocks.