Japan in the Showa 30's. As young people traveled to the city as factory workers, the unevenness of the community was inherited, and the old customs were also inherited. Even in the village where Kazuko (Rina Ayana) was married, the custom of night ● remained. When Shozo, who is usually taken care of as a young head, wants to have Kazuko at night, Kazuko cannot hide her confusion when she hears from her sister-in-law, Sachiko (Yuri Mizuhashi).