Rio marries a man who is older than her and starts anew with a new family.Her husband had a son with his previous wife, but as time went on, the quarrels disappeared, and she thought she had built a relationship like a brother and sister who could talk about anything without hesitation.However, the son-in-law gradually begins to see Rio as a ``woman'' rather than ``family.''With such a delicate sense of distance between them, Rio and her son-in-law end up spending a week alone...
