Takashi Shirakawa, the president of Tozai Corporation, is an adopted son-in-law. His wife, Reiko, is sickly and their married life is indifferent. His secretary, Mitsuko Mizukami, who has been having a physical relationship with the president, is an adulterous woman who plans to seduce the president into letting her wife commit suicide so that he can get his wife Meigi's fortune.
| Actor | Role |
|---|---|
 Mayumi SanjōMitsuko Mizukami | Mitsuko Mizukami |
 Kayoko SugiReiko Shirakawa | Reiko Shirakawa |
| KKinichi KusumiTakashi | Takashi |
| KKenichiro SugiyamaMita | Mita |
| AAoi NanjôMari Sawai | Mari Sawai |
| SShinzaburô SuetsuguKeishi Imamura | Keishi Imamura |
 Kinya OgawaDetective | Detective |