Law in Ghost Island (1961)

Sinopsis

Upon his arrival to Dragon Island, ronin Yagi Hanzo, is propositioned by various shady individuals representing rival gangs to lend his services to them. Branded an enemy for his refusal to become involved with either side, he soon finds himself caught up in an intrigue extending beyond petty gang rivalries, involving a plot by Daimyo in Kyoto to overthrow the government.