Coming out of jail and hoping for a quiet life, Yokohama yakuza has to take the lead of his gang after the death of his boss. His small group is is taken in a crossfire between a big yakuza group from Osaka at war with the Tokyo alliance for the control of the city. He tries to keep to the old yakuza code but he is no match for the new thugs who live and fight without honor.

In the Tokugawa Era, the clan of Lord Yagyu has hidden away three scrolls containing clan secrets which, if revealed, would cause revolution and disaster for the clan. The information is divided among the three scrolls, all of which must be possessed for the secrets to be understood. When Princess Yuhime steals the scrolls, Tasaburo, a samurai with magical powers, and his brother Senshiro are sent to retrieve them.

Tokyo, 1934. The boss of the clan that controls gambling agonizes and some of his followers propose to Nakai to take his place, but he refuses the offer.