Natsuko is witnessed carrying on an affair with her boss, Misawa, by the unmarried Chieko. However, Chieko dies by falling and is found about ten days later in the shrubbery in front of the company. It is revealed that Chieko led a flashy private life and frequented a host club. Moreover, it seems that she was having an affair with Division Chief Yamazaki.
| Actor | Role |
|---|---|
 Aki MizusawaNatsuko Kano | Natsuko Kano |
 Karin YamaguchiTakako Misawa | Takako Misawa |
 Chieko MatsumotoReiko Hase | Reiko Hase |
 Nobuyuki KatsubeDetective Matsuno | Detective Matsuno |
 Shinobu TsurutaDetective Yabe | Detective Yabe |
 Yatsuko Tan'amiMatsue Kano | Matsue Kano |
 Junko MiyashitaChieko Fujikura | Chieko Fujikura |
| JJun NakaharaKeiichi Komine | Keiichi Komine |
| SSaburô KadowakiNot listed | Not listed |
| HHiroshi TsukijiDoctor | Doctor |
 Masaya TakahashiHiroto Yamazaki | Hiroto Yamazaki |
 Takashi YamaguchiShingo Misawa | Shingo Misawa |