Eri is leading a peaceful but happy life with her loving husband. One day, a man claiming to be a stockbroker offers to invest with a promise of up to 10% interest per year. Eri wants to discuss with her husband, but he immediately knocks her out, rapes her, and takes photos. Threatened by him, Eri has to obey, and he comes to rape her every day. This time, he is late, and when Eri's husband returns, he is tied up and forced to witness the man raping her...