While returning from a business trip to Hokkaido, Detective Kamei of the MPD greets a middle-aged traveler in the waiting room of Minami-Wakkanai Station but is ignored by him. On the limited express to Asahikawa, the same man happens to entrust Kamei with a floppy disk before dying. The floppy contains his investigative notes on a murder that happened two years ago...
| Production | Yuichi Ikenogami | Producer |
| Directing | Takashi Takahata | Assistant Director |
| Production | Motohiro Matsumoto | Producer |
| Writing | Yoshimi Shinozaki | Screenplay |
| Directing | Tōru Murakawa | Director |
| Sound | Masato Kai | Original Music Composer |
| Production | Junichi Hanawa | Producer |
| Production | Junichi Katsuki | Producer |
| Writing | Kyôtarô Nishimura | Original Story |
| Camera | Hideo Hara | Director of Photography |
| Art | Mamoru Abe | Art Direction |
| Editing | Yoshio Kitazawa | Editor |
| Lighting | Takeshi Okubo | Lighting Technician |
| Sound | Shoji Tanimura | Sound Recordist |