Hotheaded cop Bill Chu gets relegated to the Emergency Unit after a dustup with his inept boss. When the mob kills Chu's pal and ex-colleague during a turf-war hit, he rounds up his motley department cohorts and embarks on a mission of revenge against the gangsters.

Hot-headed Hong Kong cop Ken Cheung (Julian Cheung) teams with die-hard Japanese Interpol agent Takami (Kenya Sawada) to stop a ruthless gang of Japanese terrorists. The crime fighters must race to find a hidden time bomb filled with noxious gas that threatens the city -- but first they'll have to survive attacks from vicious terrorist thugs. This action-packed adventure is a directorial debut for renowned action choreographer Bruce Law.

Khmer Rouge terrorist Kieron Chow and his unit arrive in Hong Kong for their latest mission. Todd, Chow's son and fiercely loyal right-hand man, sustains a serious head wound. Now a total amnesiac, Todd wakes from a coma to find he's been given a new life, one that may be the death of him. With the help of psychiatrist Shirley Kwan, anti-terrorist officer Mark Chan tries to convince Todd that he is actually an undercover cop sent to infiltrate Chow's group. As fragments of his shattered memory return, Todd is forced to choose between his dark past and this one shot at redemption