The modern Xue Qingyin accidentally traveled through the tragic heroine in the ancient novel "The Princess I Love". The male protagonist of the original book and those with vested interests in the palace tried their best to prevent her from changing her destiny due to their own interests. Xue Qingyin approached He Junting to save her life, but He Junting misunderstood her initial plan. And He Junting faces the dilemma of revenge and protecting Xue Qingyin, revenge or losing his lover. When Xue Qingyin first arrived in ancient times, her status was awkward and she was ignored by her family. The strict hierarchy of the palace and feudal ethics restricted her development. He Junting's identity may be exposed at any time, and the two are hostile to all parties in the palace. However, the relationship between the two gradually warmed up as they got along. In the end, He Junting succeeded in taking revenge and proclaimed himself emperor, and Xue Qingyin succeeded in becoming queen, successfully changing their destiny.