Incognito by day, tooled up by night, a group of samurai have banded together to use new technology to dole out big-time gun-barrel justice to the Shogun. And the most feared among them? The man known as 'Samurai Gun'. In this instalment, Ichimatsu battles the demons within his soul, and the fight for justice against the Shogunate continues. Lord Kozan's new position has increased his power, and thus the Anti-Samurai Gun Unit has become even more deadly.