Su Ai travels to the future with the help of a mysterious figure, looking for an opportunity to return to ancient times to renew her relationship with Aixinjueluo and Yinzhen. Unexpectedly, she accidentally becomes Ou Qian, her former love rival. She is also told that she cannot stay with her beloved in this life because she violates the laws of nature, so she can only silently help her lover ascend to the throne as an aide. What kind of wonderful life will this smart and beautiful woman lead?