Taro Shiraga (played by Ninomi Kobayashi), nicknamed “Shigarami Taro”, works in the insurance company’s contract management division. Officially, his role is to entertain insurance saleswomen and encourage them to improve their sales performance. Behind the scenes, however, he is a shrewd investigator of insurance pay-outs. Whenever an incident occurs, his “eyes” at the scene are sharp and discerning. Yet this hidden side of him remains unknown to his colleagues and family. One day, Taro is instructed to go to Matsue under the pretence of entertaining saleswomen from the Matsue branch. In reality, it is an assignment to investigate an insurance claim.