My mother-in-law - A sweaty mother and child who are eager to pursue in the middle of summer

A few years after marrying her husband, who had come from the countryside to work, he has lived happily in the city, but his wife, Eriko, is worried about her step-son, Kyo, whom her husband leaves behind in her hometown... One day in the midsummer, a record-breaking heat, Eriko decides to return home with her husband. However, for Eriko, who has become accustomed to living in the city, living in a wooden house without air conditioning was unimaginable heat. The sweat flowing down the neck... the sweat floating on the chest... the obscene sweat that drew a lot of the body, leading the mother-in-law to a distorted relationship...