Zhang Yimeng, who lives in modern times, firmly believes that she is a princess who has traveled through time from the Kingdom of Xi, and is trying every possible means to go back to the past. An unexpected dizziness actually brought her back to the ancient Xi country, where the surroundings were familiar yet unfamiliar. However, this is actually a treatment planned for her by her father and psychiatrist Jing Cheng! Which one is true or false, everything is full of reversals!