Chen (Kong Ban) returns home from abroad only to find that his brother has become a collaborator to the occupying Japanese Imperial Forces. He is responsible for funnelling mining resources out of their town and into weapons factories. His brothers treachery causes the town to shun Chen until they realise he is not like his evil brother. The Japanese controlled East Asia Company sends a Samurai (Kurata) and many assassins to kill Chens whole family and kidnap his fianc. Soon Chen finds himself uncovering a conspiracy and defending himself from hard thugs in street brawls that are nothing short of murderous. All this ends in a marathon fight fest in which Chen must fight his way through the enemy and even his own family members to save his girl and keep weapons out of Japanese hands.