Shozo and Miyo are intertwined. With her sister Chiyo's approval, Miyo spends half of each week living with Chiyo's husband, Shozo. Meanwhile, Shozo's friend Satoru, who has a crush on Chiyo, an actress, comes to tell her he is leaving for Africa, a place he has always dreamed of visiting, and they part ways. However, Chiyo sees Satoru still in Japan...