Shuhei, a mystery writer, is invited to a dinner party at a country house. The guests include Tanase and his wife Noriko. Next day, Tanase is shot and Noriko with a gun stands near him. Tanase calls one of the guest's name and dies.
| Actor | Role |
|---|---|
 Mariko FujiJunko Tsuda | Junko Tsuda |
 Kimiko IkegamiSaeko Fujii | Saeko Fujii |
 Shinobu OtakeNoriko Tanase | Noriko Tanase |
 Yuko KazuMichiko Mizuno | Michiko Mizuno |
 Akira TeraoHideo Tanase | Hideo Tanase |
 Eitarō OzawaKenichiro Kinumura | Kenichiro Kinumura |
 Isao NatsuyagiNot listed | Not listed |
 Kunihiko MitamuraHiroshi | Hiroshi |
 Tanie KitabayashiMrs. Kinumura | Mrs. Kinumura |
 Yoshi KatōNot listed | Not listed |
 Koji IshizakaShûhei | Shûhei |
 Tomoe HiiroNot listed | Not listed |