Who will be the next prime minister? As two candidates start to compete, political game and brutal murder ensue. And the existence of secret love letters changes the situation.
| Actor | Role |
|---|---|
 Yukiji AsaokaSayuri Hoshi | Sayuri Hoshi |
 Shinsuke AshidaShigenobu Katsura | Shigenobu Katsura |
 Mitsuru HirataOgushi | Ogushi |
 Ayumi IshidaSetsuko Sotoura | Setsuko Sotoura |
 Jūzō ItamiItakura | Itakura |
 Shima IwashitaAyako Teranishi | Ayako Teranishi |
 Yūko KatagiriMasako Saeki | Masako Saeki |
 Shintarō KatsuMasaki Teranishi | Masaki Teranishi |
 Takeshi KatōNot listed | Not listed |
 Keiko MatsuzakaRiko Oribe | Riko Oribe |
 Ai SaotomeNamiko | Namiko |
 Akira TeraoNobuyuki Doi | Nobuyuki Doi |
 Masahiko TsugawaMasaaki Kawamura | Masaaki Kawamura |
 Asao UchidaHiroshi Waku | Hiroshi Waku |
 Jūkichi UnoNot listed | Not listed |
 Tsunehiko WataseTakuro Sotoura | Takuro Sotoura |
 Hideji ŌtakiDenroku Mihara | Denroku Mihara |