Itako , Namegata County, Hitachi Province , is run by the family of the unscrupulous yakuza, Kankichi Ushibori . There are rumors that a lone wolf yakuza, known as "Itako's Itaro," will be returning to Itako. Osode, the daughter of a tea shop owner who was once in love with Itaro, is looking forward to his return, but she is forcefully taken by Kankichi.

When Itaro returns and finds out, he is furious and attacks Kankichi's family, killing him. However, Osode disappears, not wanting to expose herself to Itaro after he seduced her. Itaro, who cares for Osode, sets out on a journey to find her, but it is an extremely harsh journey.