Tamako, a 14 year old junior high school student, is the only daughter of the Godai family. Her parents' marriage is faltering, she is being bullied at school, and her grandfather, Kenzo, went to jail 13 years ago for killing a
yakuza gangster. She anxiously awaits the day her grandfather can return home. When Kenzo is released, he goes to live with his son. Despite 13 years having passed, the locals warmly welcome Kenzo. He takes to hanging out at a bar run by Shinichi, the son of his best friend who died a long time ago. However, when Tamako's peers discover that her grandfather went to jail for murder, she is further ostracized. Despite their initially awkward interactions, Kenzo helps defend Tamako from the bullies at school. He tells her to stand up for herself, and when she does, Tamako comes to believe that she has inherited some of her grandfather's great strength. Kenzo and Tamako grow close, and Tamako's parents repair their relationship. At one point, Kenzo sends his son and daughter-in-law off on a "second honeymoon", and then takes Tamako to
Tokyo for a night on the town. However, their peace is short-lived. One day, a yakuza waits for Kenzo in front of the house. He is an associate of the man Kenzo killed, who has come looking for revenge. It is revealed that Kenzo killed the man to avenge the death of his best friend, who was murdered by members of the local yakuza gang. Hikita, the boss of the gang, has been waiting patiently for Kenzo's return, and orders his gang to kidnap Tamako. He threatens Kenzo, but Kenzo is able to rescue his granddaughter and resolve the situation. In spite of their feud, the two men clean the slate between them. Things return to normal. Time passes. One day, Kenzo tries to help a young girl drowning in a river. He saves the girl but ends up drowning himself. At the funeral, Tamako swears to never forget her grandpa. ==Cast==