The Fearless One (1986)

Kang Wook, a Korean Taekwondo expert, suddenly appears in Hong Kong's red light district. He came to Hong Kong after his lover had an affair with Japanese gangster leader Hashimodo (Kang Young-cheol) and ran away to Hong Kong. Kang Wook, who has taken control of Hong Kong's underworld with his outstanding martial arts skills, hires a young Korean named Dae Geol (Im Ja-ho). Afterwards, Kang Wook learns that his lover became blind and a prostitute after being cruelly violated by Hashimodo, and begins to take revenge in anger.