Kubota Shu, who runs a temporary employment agency, is clubbed to death with a bat. A metal bat believed to be the murder weapon as well as something that looks like an old toy are found at the crime scene. Takakura Kiichiro, the commissioner of the Kyoto Prefectural Police, orders Takuma Yoshito to go to the crime scene.
Takuma and the other members of the Special Investigation Unit begin the investigation. They
