Thirteen-year-old Heo Yeon Woo, the daughter of a high-ranking official, accompanies her mother to the royal palace to attend her brother, Heo Yeom's civil service examination congratulatory ceremony. By chance, she comes across Crown Prince Lee Hwon. They fall in love, and Yeon Woo is chosen as the Crown Princess of Joseon. Before they can marry, the Dowager Queen secretly orders her death, in order to secure more power for herself. Yeon Woo becomes cursed and is stricken with an illness. All believe her to be dead, including the Crown Prince Lee Hwon. Heartbroken, he refuses to love another. Eight years later, the young king meets a shaman named Wol. He can’t help but find similarities between her and Yeon Woo and begins investigating Yeon Woo’s death.
