- Bomb disposal officer Cheung Choi-san (Andy Lau) of the Explosive Ordnance Disposal Bureau (EOD) have been working undercover in a gang of thieves led by Hung Kai-pang (Jiang Wu), who specializes in bombs. Cheung coordinates with his handler, Superintendent Chow (Felix Wong), and senior inspector Kong Yiu-wai (Philip Keung) of the Regional Crime Unit, and manages to arrest a number of Hung's underling, including his younger brother, Hung Kai-piu, after performing a cash vault robbery, and also successfully disposes of a bomb stopping it from detonating. However, Hung managed to escape arrest and vows for revenge. Six months later, Cheung resumes his position in EOD and is quickly promoted as superintendent of the department and meets a recently divorced primary school teacher, Carmen (Song Jia), and begins to date her.
Lau Ching Wan