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...
Screenplay: Kouichi Tomozawa
Director: Hideo Nanbu
Director of Photography: Mamoru Chishiki
Producer: Koshiro Nogi, Ryosuke Watanabe