Yoshida Matsuko and her daughter Tomiko, who run a farming business, reunite with Koji, their stepson they had parted ways with five years ago. Koji, like his father before him, is an illegal immigrant who was previously deported but has now secretly returned. While Matsuko hides Koji, she finds herself unable to resist his youthful body, and Tomiko too gradually falls for him. Amidst the lewd yet poignant emotions of the two women and the harsh reality that forbids their desires, a small incident occurs.