The Voice of Sin

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Eiji Akutsu is a newspaper reporter. He is working on unsolved case that took place 30 years ago. The case involved a group of people extorting several companies for money. The group sent cassette tapes to the companies. Eiji Akutsu comes across a mysterious cassette tape. Meanwhile, Toshiya Sone lives in Kyoto and runs a tailor shop. He discovers a cassette tape among his late father's possessions. He plays the cassette tape and hears his voice from his childhood days.