Michiko's marriage with her husband, who was devoted to his work without any regard for his family, had cooled for a long time. Instead, she poured all her love for her husband into her son, Souta. Souta, who is also a caring father, began to want to help his mother as he continued to watch her. When the mother and son, who are in love with each other, realize their true feelings, where will they end up?