Assistant Inspector Natsuhara Shinji of the Tokyo Metropolitan Police’s First Investigative Division is an outstanding detective. A compassionate, affable person well-liked by his colleagues and juniors, he has a stronger sense of justice than anybody else and is proud of his work. Three years ago, Natsuhara lost his fiancee in a random attack. The murderer has not been caught yet and this casts a dark cloud over him. Natsuhara has been chasing the criminal in a dismemberment case in which only the victim’s wrists have still not been found.