This is a magnificent drama about love and chivalry, telling about the stormy fate of Seiji, nicknamed "The Rising Dragon", who swore never to take up a sword again because of the emptiness of the Yakuza's life, and the passionate fate of his named sister Maki, nicknamed "The Scarlet Cherry Blossom", who falls in love with him without suspecting that he was the one who was responsible for her father's death and to whom she should take revenge.

After his own gang sets him up to kill a rival mobster, a hit man is forced to flee with his younger brother.

A young female samurai comes upon a dying messenger and agrees to deliver the scroll he was carrying to its destination. However, unbeknownst to her, the scroll is actually a formula for a new kind of gunpowder. An evil clan that is planning to overthrow the Emperor is also after the scroll, and they try to take it from her.