The drama is adapted from the online novel of the same name. A marriage scammer (Park Joo-hyun) accidentally meets King Lee Heon (Kim Young-dae), who issued a ban on marriage seven years ago due to the loss of the Crown Princess. He claims that he can possess the dead Crown Princess and staged a palace fraud drama. In the drama, Kim Woo-seok plays the eldest son of the Prime Minister's Government and a Taoist priest of the Uigungbu, interpreting a sad and dangerous unrequited love. Kim Min-joo plays the Crown Princess An.