Pei Chuxian, a modern woman, traveled through time and became the daughter of the prime minister's palace. She was forced to marry Cui Yuanqing, the king of Zhenbei, only to find that he looked the same as the driver who killed her in her previous life. In the palace, the villain forces are trying to seize power and prevent Pei Chuxian from finding out the truth. Pei Chuxian is torn between revenge and her feelings for Cui Yuanqing. She hides the secret of her past relationship, which will lead to emotional collapse once exposed. Due to her emotional weakness, her judgment is affected in complex situations. She has constant emotional entanglements with Cui Yuanqing, and she also faces time pressure from being discovered by the villain. As they get along, misunderstandings occur frequently and the relationship deteriorates. Can Pei Chuxian resolve the misunderstandings, successfully seek revenge and gain love?