Shinnosuke Shirai is a lawyer. He receives a request to retrieve a masterpiece painting that was stolen. Shinnosuke Shirai negotiates with the person who stole the painting and finally succeeds in getting the painting back. But, this is all a scheme to trap Shinnosuke Shira. His client has hired a hitman to kill him. Shinnosuke Shira is helped by Detective Togawa and Hitomi Nakano