Naomi is a university student who is leaving for the US to study in a week; Shuichi is a washed-up gumshoe who's hired by Naomi's father to bodyguard his daughter until she leaves. Shuichi finds the job annoying and wants to quit. But he also has a screwed-up ex and alimony to pay. Things go from bad to worse when Naomi and Shuichi stumble upon a murder which might involve the yakuza. They decide to find out who committed the murder but God knows what it will lead to.
Unfortunately the movie Detective Story is not yet available on Disney Plus.
| Directing | Kichitaro Negishi | Director |
| Writing | Jirô Akagawa | Novel |
| Production | Mitsuru Kurosawa | Producer |
| Camera | Seizō Sengen | Director of Photography |
| Editing | Akira Suzuki | Editor |
| Sound | Kazuhiko Kato | Original Music Composer |
| Writing | Toshio Kamata | Screenplay |
| Lighting | Mitsuo Watanabe | Lighting Technician |
| Art | Hiroshi Tokuda | Art Direction |
| Sound | Fumio Hashimoto | Sound Recordist |
| Production | Haruki Kadokawa | Producer |
