My wife's hospitalized mother-in-law

It has been two years since she married office lady Sumire and began working as a couple... Taro is a little dissatisfied with Sumire not doing housework satisfactorily. One day, Sumire ends up hospitalising due to gastroenteritis. Meanwhile, Sumire's mother, Kanae, goes to Taro's house and ends up helping out housework... Taro is shown clearly the "home-like" appearance of Kanae, who has met for the first time in a while. Then Taro begins to feel feelings towards Kanae that go beyond her stepmother...