Legend has it that deep in the desert near a small town in the north-west, there is a tomb complex of an ancient country that has disappeared for thousands of years. There are not only exotic treasures in the tomb complex, but also the legendary treasure "Soul Suppressing Mirror".
Zhang Yimeng, who lives in the present day, is convinced that she is a princess who has travelled from the ancient state of Xi, and she tries by all means to return to the past. An unexpected faint brings her back to the ancient state, where everything feels familiar yet strange.
Fu Zeyi, a charismatic but aloof heir to Fu's Anju Group, develops a second personality, "Ge Lin," as a result of childhood trauma. Unlike Fu Zeyi, Ge Lin is melancholic, loves playing the violin, and harbors feelings for Jing Zhixia. When Fu Zeyi reunites with Jing Zhixia, Ge Lin's consciousness begins to resurface. Using brief moments of control over Fu Zeyi's body, Ge Lin helps Jing Zhixia through her struggles, only to realize she is falling for Fu Zeyi instead.
Sales wizard Ma Xiaoyuan (Yu Kening) is a hard actor with a lot of ideas, making a lot of money from his title as the heir of the Shadowless Sect. But The town is in danger when the demon king, who is trapped under the sword of the master of the Shadowless Sect, is about to come out.