After Isao has reached retirement, he receives a phone call from an ex- elementary school classmate Norio inviting him to a reunion. During the reunion, none of them can claim to have had a wonderful life since graduating from primary school and have their respective problems now. It leads them to rethink that their lives are far from over and that there is still hope for them even at this stage of their lives. They encounter many unexpected happenings during the journey which reminds them of the excitement they experienced as kids and find new hope in their bleak lives.
Shonosuke Furukehashi (Hiroshi Tamaki) is a young samurai and the second son of Sozaemon (Bunchin Katsura) of Togane Domain, Kazusa Province. Sozaemon serves as an attendant, but one day, he is suddenly suspected of accepting bribes. Forged documents written in handwriting startlingly identical to his offer incontrovertible evidence. Framed for accepting bribes he knows nothing about, Sozaemon commits ritual suicide for his “crime”. Shonosuke’s elder brother Katsunosuke (Satoshi Hashimoto), an assistant instructor at the domain’s training hall, is placed under house arrest. Because of that, Shonosuke leaves for Edo alone in order to clear the name of his beloved father.
Hiroshi Hamano, a professor at a medical university, is found dead. Going by the results of the autopsy, it appears he committed suicide by jumping off a roof, but going by eyewitness testimony and physical evidence at the scene, Detective Kamei suspects murder. A ticket for a train trip around Japan is found in the professor's pocket. However, nobody then could have known the shocking truth hidden behind the tour the dead man was supposed to attend...