Five Fingers of Death (1972)

"Come prepared for the thrill of a lifetime!"

A young boxer joins a martial arts school to increase his skill so he can enter a martial arts competition. He leaves the school when he hears that a local gangster is terrorizing the town. He comes to the aid of a young singer and brings on the wrath of the local gang. He eventually enters the martial arts competition after learning iron palm technique and takes out all competition.