Set during the Goryeo dynasty, Won, crown prince, has a sweet appearance hiding a lust for conquest. He is best friends with Rin, an elegant man of royal descent and Won's bodyguard. When beautiful San, the sole daughter of the … Yim Si-wan, Yoona, Hong Jong-hyun, Park Hwan-Hee, Oh Min-seok, Yoon Jong-hoon, Jung Bo-seog Added on Disney 2022-05-19. Youtube Trailer