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On December 11, 1960 an elderly man is found bludgeoned to death near the Kamata Station in Tokyo. Detective Yoshimura Hiroshi is a rookie detective that has only one clue to go on - the name "Kameda." Detective Yoshimura also has a dark side himself from his miserable experience in the war. Now, Detective Yoshimura places himself in the criminal's dark mind to track down the killer ..