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...

Eiji lives a quiet life running a small Izakaya with his wife. He spends his days cooking for and serving the lively residents of his small hometown.