A Korean martial artist wishes to become the student of a famous instructor but is refused due to a family matter. Spurned he joins the Japanese army and helps them in the invasion of his homeland.

Keo-Am wants to learn martial arts from Park Sang-bong but doesn't get the permission as he is a lover of Park's daughter but is ousted from there. He learns martial arts from Japanese and helps Japan to invade Korea. Sang-Bong suffers from this news. Keo-Am is a son of Park's friend and Park wants him to be a farmer and that's why Park didn't teach the martial arts to him. Park's daughter, Ok-Nyeo and Il-Jae, Park's disciple, tell the truth to Keo-Am, who accepts the fact that he is Korean.—Wu Tang Collection