A top student named Xian Shaoyu from the Beijing Modern Conservatory of Music, while in a deep sleep, traveled back to the body of a girl named Shangguan Youyue during the Kangxi period. Shangguan Youyue was a strange woman with a unique life experience. During the emperor's birthday, Shangguan Youyue entered the palace to perform, which caught the emperor's attention. In this way, Shangguan Youyue was sent to the palace and joined the intrigues in the harem. She also witnessed the history of Kowloon's fight for the heir, and developed a mutual love with the thirteenth elder brother...