Matsuko and Tomiko Yoshida, a mother and daughter who work in the fields, are reunited with their stepson, Kosuke, whom they separated from five years ago. However, like her father, he is an illegal immigrant, having been deported in the past, but has now illegally entered the country again. While hiding Kosuke, Matsuko becomes fascinated with his young body. Her daughter Tomiko is also drawn to Kosuke. This is the story of a small incident that takes place between the erotic and sad sexuality of women and the reality that does not allow it.