Producer
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...
Producer
Nami, the young madam of a well-established hot spring hotel in Kotohira, is reunited with her childhood friend Kana who has come to participate in an art auction. However, when people with links to the auction start getting killed one after another, Nami sets out to find the criminal with her detective husband Ryohei.