A murder investigation becomes personally significant when crime-scene evidence connects the case to the detective's earlier police work.
A killing occurs when Shu Kubota is struck by someone using a baseball bat. A metal bat and an old toy become the initial evidence at the crime scene.
The special investigation unit goes to the crime scene to examine the available evidence. The metal bat and old toy define the early investigative focus.
The detective recognizes that he made the old toy approximately ten years earlier. This discovery connects the murder investigation to his past work.
The toy is associated with the detective's former position in the Kyoto Prefectural Police Department public relations division. He decides to solve the case without help from his partner.
Gō Shichitaka
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