Serina has decided to live with her father-in-law, Saburo, who lived in the country. Serina smiles at her apologetic husband, who is worried that her father-in-law, who has lost her energy, will continue to live alone. On the first day of living together, her husband approaches Serina who refuses to work at night because she has a father-in-law. The gasping voice that spilled out uncontrollably reached Saburo's room ...