An Yi, a senior high school girl, prayed to leave this era on the eve of the college entrance examination, but unexpectedly she got her wish. She became Princess An Yi, the daughter of the vassal king during the Zhenguan period.
Going deep into the palace, Princess Dehui, Princess Jincheng, Princess Wencheng, Emperor Taizong of the Tang Dynasty, Empress Changsun, Wu Zetian, Princess Taiping, Li Zhi...
Of course, everyone's final destination and comfort can be known from history, but when it comes to the final choice and fork in the road, what is fate?