Bloodsport 4K 1988

An underground martial arts competition is to be held in Hong Kong, for which an American serviceman is also preparing. At one time, as a child, he became the adopted son of a Japanese karate teacher, achieved perfection through persistent training and received a sacred Japanese sword as a sign of success.

He leaves his military unit on his own and goes to Hong Kong on "Kumite". The FBI is on the trail of the young man. Despite all obstacles on his way, he manages to achieve victory and join the Brotherhood of the Black Dragon.