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.
This is an episode of Galileo in name only, since this story focuses exclusively on Utsumi Koaru, played by Shibasaki Kou. The eccentric scientist makes a cameo appearance in one scene and the final scene is on the same day as episode one of the second series, but apart from that this drama has little to do with the rest of the Galileo canon.
At a companywide meeting, Bunsaku Akiba sees Toshie, an old girlfriend who is now the secretary and lover of Nishijima, the chairman who has control over the entire group. Although Akiba is married, the love affair between him and Toshie flares up again. Akiba uses Toshie to approach the chairman, but as Toshie gets more possessive of him, Akiba starts to have murderous thoughts.
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...
