Makiko was shocked to learn that her daughter Yuko and her nephew Mitsuoto had begun to see each other as man and woman, drawn together by romantic feelings. Confronting them, Mitsuoto boldly confesses their love, determined to be together. While Makiko opposes the relationship between cousins, her husband Shin'ichi, sister Ritsuko, and sister-in-law Fumiko all support the young couple, celebrating their love. What choice will Makiko ultimately make, after seriously considering her daughter's happiness? And what fate awaits these two young lovers who are determined to follow their hearts?