The Hong Kong police officers, played by Nicholas Tse and Donnie Yen as Ming, portrayed by Leon Lai, quickly disrupted the lair of a multinational criminal organization, which greatly angered the gang members and caused them to brutally attack the families of the officers. Some of their friends were raped and killed, others were dismembered. The officers nearly fell victim to several assassination attempts by the gang. Unable to endure any longer, Tse, risking his life and utilizing his exceptional martial arts skills, began on a path of vengeance.