西村京太郎スペシャル日本一周旅号殺人事件

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 professors pocket However nobody then could have known the shocking truth hidden behind the tour the dead man was supposed to attend