Two years into his marriage to office worker Sumire and their dual-income household, Taro gradually began feeling dissatisfied with Sumire's inability to properly manage housework. One day, Sumire suddenly fell ill with acute gastroenteritis and was forced to be hospitalized. During her absence, Sumire's mother, Kanae, started visiting Taro's home to help with the housekeeping. Seeing Kanae's warm, homely demeanor after so long, Taro felt both surprise and deep emotion. Gradually, his feelings toward Kanae began shifting beyond that of a mere stepmother. A touching and thought-provoking story exploring new perspectives on marriage and family dynamics.