Kingoro Tamai moves with his wife and son to the port city of Wakamatsu. He organizes the Tamai-gumi, a stevedore group, to vie for work with two other powerful groups. Gingo is Tamai's chief rival who falls in love with the latter's wife and tries to kill Tamai.

Japan in the 1940s. A high school boy went into a magic encounter with Ozuka Hana, a geisha (pub-girl) when he traveled through Amagi Pass. A mysterious murder took place afterwards, an Ozuka was held responsible. 40 years later, the boy, who became a printing shop owner, was visited by a retired policeman who came from Amagi Pass. The truth then started to reveal itself.