A special agent assigned to protect a wealthy business magnate. However, when the businessman is kidnapped in a daring ambush, he teams up with a seasoned detective to crack the case. But soon he discovers the case isn’t that simple.

Chan Ka Kui is a Hong-Kong policeman, who single handedly captures and arrests a big drug lord. The drug-lord then frames Chan with the murder of a corrupt cop. Now a fugitive cop killer, Chan Ka Kui must try to catch the drug lord and clear his name.

In late 19th Century Hong Kong the British may rule the land, but the pirates rule the waters. One Coast Guard officer is Dragon Ma, who is determined that his beloved Coast Guard will not be made a fool of.