Yuka, a married woman, moves into her father-in-law's house with her husband to save money. However, she feels deep resentment toward her father-in-law, with whom she barely speaks, and desperately wants to escape. Her desire to leave is discovered by him, sparking his anger—he resents being ignored despite providing her shelter. While her husband is away on a business trip for a week, the father-in-law repeatedly forces himself on Yuka, and gradually, she finds her emotions and desires becoming entangled.