Miyoko Sekiguchi, who works at a second-rate trading company, and car mechanic Koji Fukumoto are in love. The morning after Koji and Miyoko went out for a drive, the strangled corpse of a call girl is discovered in Toyamagahara. Chief Akagi, Detective Sergeant Sawada, and the other detectives begin to suspect Koji during their investigation. Koji insists he's innocent, but has no evidence to prove it. Even when detectives come to Miyoko's home and workplace and her coworkers begin to look down on her, Miyoko continues to trust and love Koji...
| Actor | Role |
|---|---|
 Yūji HoriNot listed | Not listed |
 Shinsuke AshidaNot listed | Not listed |
 Kenji SugawaraDetective Sugiyama | Detective Sugiyama |
 Hideo SatoDetective Minami | Detective Minami |
| HHideo KidokoroDetective Nakajima | Detective Nakajima |
| YYōichirō MikawaDetective Konishi | Detective Konishi |
 Toshiaki AmadaDetective Kubota | Detective Kubota |
 Chieko BaishoMiyoko Sekiguchi | Miyoko Sekiguchi |
 Tamotsu HayakawaKoji Fukumoto | Koji Fukumoto |
 Keisuke SonoiNot listed | Not listed |
| RReiko HitomiNot listed | Not listed |
 Manami FujiTomoko Uehara | Tomoko Uehara |
 Yoshiko KayamaHarue | Harue |
| MMasaaki HiraoKatsuhiro Sugi | Katsuhiro Sugi |
 Keiji TakamiyaNakagawa | Nakagawa |
 Tatsuo MatsumuraNot listed | Not listed |
 Akiko KazamiNot listed | Not listed |
 Takamaru SasakiEbihara | Ebihara |
| KKoji KiyomuraKanemoto | Kanemoto |
| KKatsumi ShiinaRyohei Kodama | Ryohei Kodama |
| SShin'ya MizushimaTada | Tada |
| SSomeshō MatsumotoNojima | Nojima |
 Misako TominagaCall girl | Call girl |