Sayaka tells her husband that she has been dispatched as a housekeeper to the house across the street. He feels uneasy about it, harboring doubts, but Sayaka cheerfully smiles, delighted at how convenient it will be. The next day, she heads off enthusiastically to her new workplace. The homeowner is a quiet man who works as a calligraphy artist. Three weeks later, while working, Sayaka accidentally breaks an expensive decorative plate. To pay for the damages, she boldly declares, "I'll pay with my body." At that moment, the story takes a dramatic turn.