Rieko lives with her son while paying off the debts left by her late husband. Life is tough and she hasn't paid her rent for three months. Her landlord, Sagawa, is calling her every day to collect. Sagawa offers to wait for the rent if she indulges in his hobby, and Rieko agrees for the sake of her son and the rent. However, that hobby is "bondage." Rieko is tied up in an obscene manner at Sagawa's command, and the rope digs deep into her ripe flesh, which he plays with at will...