During the height of the Joseon Dynasty under the Song family rule, Crown Princess Sunyeong of the Changdeokgung Palace was cursed as a young child. There are rumors that the King and Queen had her cursed to aid them in wars. Still, there are other rumors that she was cursed by a shaman out of revenge. A young boy named Byun Kyungsoo decides to pursue finding out the truth, but what he finds turns out to be more than he bargained for, including helplessly falling head-over-heels for the Crown Princess… In the current year of Seoul, South Korea, Bae Seungyoon, a 28-year-old man, has been working for his Uncle’s company, Imagine Entertainment for almost three years now. One of K-Pop’s most talented artists is the peculiar and multi-talented Shin Joohyuk, a 27-year-old soloist with a unique voice and the ability to play the violin. One day, Seungyoon and Joohyuk cross paths at the company’s coffee shop. They converse with one another, before they are approached by a mysterious woman, who appears to be speaking in a prophetic tongue: “There’s a strange “urban legend” story. One that sounds too fictional to be real. A powerful creature with wings, cursed to live in the fog. It terrorizes the quiet of the night, only a bow can calm the beast’s soul.” Is this “urban legend” the cursed princess or…something more…