Set during the Joseon Period. Kook In Yeob is the only child in a noble family. She is famous for her beauty and stylish appearance. Due to an incident, her status falls to the lower class. As she struggles through her misfortune, she becomes stronger. Servant Moo Myeong is the most attractive servant in Hanyang, but he is also a mysterious man who hides his real identity and pretends to be a servant.