A fifteen year old boy travels through the Amagi Pass, he encounters some strange people, one of them is the geisha Ozuka Hana. After a murder takes place, the police searchs for the culprit.
Eiji Ogawa, a young leader of the Hattagumi yakuza, left the prison after two years sentence. However, it was only Tsunekichi Mito, the younger brother, who came to meet him.
