Intro. Choi Seungcheol is an influential diplomat who is known in various countries for his firmness, intelligence and authority. At the age of 35, he is not only successful in the world of diplomacy, but also as an entrepreneur with a large business network. As the oldest child in his family, Seungcheol grew up to be a man who was disciplined, stubborn, and feared by many people—especially when he was angry.
But his life changed on the day that was supposed to be his wedding day. His bride-to-be suddenly ran away, leaving Seungcheol with wounded pride amidst the news of the marriage that had spread widely.
In order to maintain the family's reputation, the runaway woman's younger sister—a 22-year-old girl with a soft heart—was forced to take her older sister's place as bride. The marriage took place without love, just to cover the scandal. For Seungcheol, that woman was just a substitute who reminded him of the humiliation he received.
But slowly, without him realizing