The imperial guard and his three traitorous childhood friends ordered to hunt him down get accidentally buried and kept frozen in time. 400 years later pass and they are defrosted continuing the battle they left behind.

A simple Chinese immigrant wages a perilous war against one of the most powerful criminal organizations on the planet.

Officer Chan Ka Kui manages to put a major Hong Kong drug dealer behind the bars practically alone, after a shooting and an impressive chase inside a slum. Now, he must protect the boss' secretary, Selina, who will testify against the gangster in court.