The story tells of the dragon Jiang Zhe, who has no horns and is trapped in the body of the shaman Ruli, who refuses her fate as a medium, and his first love, Yunjia. They encounter the eight-foot demon driven by kingly resentment, leading to a chaotic romantic comedy where their bodies and souls become completely intertwined. Played by Lu Xingcai, Yunjia is the official in charge of examining books in the palace, who falls into chaos due to the eight-foot demon. He is also Baona's first love and has his body taken away by the wicked dragon who wants to ascend to heaven through Ruli's body. Kim Ji-yeon plays the shaman Ruli, the only granddaughter of a famous immortal, who ends up in a dire situation entangled with the dragon Jiang Zhe, who is unable to become a true dragon. Her first love's body is possessed by the hornless dragon, and various demons appear in the palace, leading to unexpected events. Kim Ji-hoon portrays King Lee Seong, who fights against the eight-foot demon, joining forces with the leading characters to uncover the secrets of the demon.