After losing her husband several years ago, Yumi follows one of his connections to a rural village with her adult son Toshio. Life and farm work among the mountains are a far cry from their glamorous days in Tokyo, but mother and son share every hardship and happiness as they build a peaceful life together. The local men, however, cannot ignore the huge breasts and translucent fair skin peeking from beneath the widow's work clothes, and they begin tempting Yumi into something indecent...