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...
Detective Kamei
Yoko Akamori
Detective Kusaka
Masaki Fukuhara
Yuki Wada
Daisuke Shibata
Tetsuro Inoue
Kazuya Yazawa
Detective Mori
Detective Yamamoto
Detective Konishi
Okajima
Koga
Ikuko Yaginuma
Ryosuke Mita
Inspector Totsugawa