The wife who drowned at the target at the casino of the infiltration investigator NTR mission destination. Kobayakawa Reiko

This is the last chance Mariko, who had been married and withdrew from the insolvency investigator, would infiltrate into a casinos in which the organization, once again an investigator, was hiding. It is Reiko who tries to contact the officer of the organization, Sagawa, who is dressed in a customer, but it does not appear true. It is Reiko who arranges the chance to contact the man of Sagawa to the cooperation man, but the action is also in the river. And Ryoko who became only two people in one room of the hotel came to know the true figure of Sagawa there.