Sister Street Fighter: Hanging by a Thread (1974)

1974

Action / Crime

IMDb Rating 6/10

Plot summary

This time Koryu heads to Yokohama in search of a woman named Birei, kidnapped by diamond smugglers who move their hot rocks by surgically implanting them into the nubile buttocks of Chinese prostitutes. Koryu's older sister, working as a jewelry designer, is secretly if unhappily involved with the gangsters.