The four talented girls from B University were brought back to the Song Dynasty by a thunderbolt, where they met the romantic Bai Yutang, the gentle and jade-like Zhan Zhao, and two different emperors, Zhao Zhen and Li Yuanhao.
They witnessed a love and hate that cannot be recorded in books. They worked hard for them, hesitated, laughed, and shed tears. However, they did not know until the end that history is history, and history will not be changed by the intervention of anyone or anything, even if that love was once hung at the highest level.
History is about results, not what-ifs. However, history books are just history books.
So, when it was all over, they laughed, laughing from the bottom of their hearts, because they understood: That's enough.