Lin Mengyao, a lovely and intelligent girl who was studying at the Shanghai Conservatory of Music, was brutally murdered due to misunderstanding and jealousy among her good friends. However, this accident caused her soul to travel through thousands of years to this fictitious dynasty in history - Daewoo, where she transformed into Fang Kexin, the daughter of Fang Zhihang, the prefect of Jinzhou, and became known as Jinzhou Mengxian after her brother Fang Qiran. And he is the proud son of this dynasty, with an arrogant and cold personality. He was the master of Youquan Palace, and he had killed countless innocent souls, but he only had a pure heart for her. It was the second year of Guangyu, the world was peaceful, and the people were happy at home. Although the world seemed peaceful, there was hidden murderous intent. What kind of sparks will be created when he meets them cutely? Follow Lin Mengyao to experience a wonderful journey through time and space.