In late 19th century Hong Kong, the British may rule the land, but the pirates rule the waters. Coast Guard officer Dragon Ma is determined that his beloved Coast Guard will not be made a fool of.
While possessed by an evil spirit, a man murders his daughter. A police detective investigating the case also becomes possessed. A good monk helps fight the evil spirit.
Leaving the poverty of his life in Shantung to seek fortune in Shanghai, The Boxer is instead drawn into a world of corruption, gang warfare and evil... Where his only protection is his famed fighting technique.