When he was young, he followed his father to the palace, but happened to meet Crown Prince Ki-ryun. Shin-yeon falls in love at first sight when he sees a manly and beautiful prince, and Ki-ryun also likes Shin-yeon's innocent and pretty appearance.
As time goes by Shin-yeon realizes what he feels like every time he meets Ki-ryun, he eventually leaves for a dangerous outskirts to control his growing heart.