Jimin is married to Hyunsoo, a married man with a child. However, Wooyoung wasn't Hyeonsu's own son either. The age difference is so small that she feels uncomfortable in her relationship with Wooyoung. Meanwhile, Wooyoung feels love from Jimin. I fall into self-doubt because I feel that way with my mother, Accidentally finds out that he is an adopted child. He confesses his heart to Jimin...