After yakuza boss Kurata dissolves his own criminal empire, a rival kingpin offers a position to Kurata's top operative, Tetsuya "Phoenix Tetsu" Hondo. When the fiercely loyal Tetsu declines, Otsuka taps unstoppable Tatsuzo the "Viper", a ruthless gun-for-hire, to assassinate him. As the Viper trails his target through the countryside, the agile Phoenix Tetsu grows concerned that one of his former associates has betrayed him.
A blind masseur visits a samurai to request the return of a loan. The samurai kills him in anger, then has his servant dump the body in the Kasane swamp. However, the ghost of the masseur returns to haunt the samurai, who kills his wife by mistake and then goes to the swamp and drowns himself. 20 years later, the masseur's daughter unknowingly falls in love with the samurai's son who has been brought up to be a servant. After she is horribly disfigured in an accident, he plots to run away with another woman, but the path of their escape lies by the Kasane swamp...
Daiei Film Company's three biggest stars shine in this exciting story about Vice-Shogun Mito Komon's journey to the land of the Ainu. As the shogun's uncle, Lord Mito traveled about the nation seeking to make sure that corruption and injustice did not go unpunished. Traveling together with his two faithful bodyguards Kaku and Suke, they board ship for a voyage to the far northern island of Ezo (modern day Hokkaido) where the indigenous people called "Ainu" live. Somewhat like American Indians, the Ainu had their own culture which had not been subjugated by the Matsumae clan, rulers of the vast island. A revolt is brewing within the leadership of the Ainu, which threatens to destroy their peaceful lives. The elder lord and his retinue are the only ones who can stop this reign of terror!
