It was released under alternate titles in the United States, including To Kill or to Die and The Dragon Strikes Back.

[1] A Chinese immigrant skilled in martial arts arrives in America and travels to Texas looking for honest work.

He soon impinges on the interests of a slave trader called Spencer, which results in a price being put on his head.

"Shanghai Joe" uses his martial arts expertise to free the Mexican slaves from their cruel master.

Spencer and his friends then hire the four most terrifying bounty hunters of the West, among them a cannibal, a scalp hunter, a killer who skins his victims, and another martial arts champion, his old friend Mikuja.