He is a son of a wealthy family, but he was rejected by his biological mother because of his ugly appearance when he was young. He thought that he would only survive in this life, but he met her when he was dying. She is a descendant of the royal family, but she was displaced due to the change of dynasties and became dependent on others. He thought she wanted to avenge her parents, but he didn't think she wanted to avenge her country. She is planning every step of the way and calculating all the traps. Is even him included in her plan?