In the desert of Egypt, Kurata, the CEO of the Japanese corporation Tokokaihatsu, is killed by a sniper. After the news reaches Japan, the CEO's lawyer, Yamamoto, receives a visit from two men that attempt to steal the deceased CEO's will. This is witnessed by two detectives, Tsuzuki and Ōnuki, but they fail to catch the perps. Yamamoto hands the detectives a set of keys before he stops breathing. Tsuzuki and Ōnuki now have to investigate Kurata's murder...
| Actor | Role |
|---|---|
 Hideki SaijoAkira Tsuzuki | Akira Tsuzuki |
 Naomi ChiakiYoshie Kurata | Yoshie Kurata |
 Mayumi AsakaKeiko Wakita | Keiko Wakita |
| MMinako FujishiroMari Kurata | Mari Kurata |
 Nenji KobayashiSano | Sano |
 Sanshō ShinsuiKawahara | Kawahara |
 Nagare HagiwaraKataoka | Kataoka |
 Mizuho SuzukiCEO Kurata | CEO Kurata |
 Raita RyuToshima | Toshima |
 Mikio NaritaHead of Police | Head of Police |
 Noboru NakayaLawyer Yamamoto | Lawyer Yamamoto |
 Akiji KobayashiInoue | Inoue |
 Tsutomu ShimomotoNot listed | Not listed |
 Kōji TakahashiNot listed | Not listed |
| KKatsuo NakamuraRokusuke Ōnuki | Rokusuke Ōnuki |
 Tokie HidariShizuko Ohnuki | Shizuko Ohnuki |