While traveling south of the Yangtze River, Fu Chengyuan and his brother rescue Sheng Jiaojiao, a woman who has transmigrated into another world. After taking a blade for him, she enters the prince's residence, determined to seize the position of princess consort, and repeatedly frames Ye Pingting, the rightful princess consort. Reborn, Ye Pingting knows that Sheng Jiaojiao will bring about her family's downfall, so she repeatedly thwarts the woman's provocations, rumors, and schemes. Sheng Jiaojiao conspires with Young Master Zhou to falsely accuse Fu Chengyuan of embezzlement and collusion with the enemy. She steals a military defense map, only to fall into a trap. Sheng Jiaojiao is sentenced to immediate execution by beheading, and Ye Pingting reveals the truth about her rebirth in prison. Afterwards, Ye Pingting divorces the prince by mutual agreement, travels to Jiangnan, and establishes a women's academy, finally letting go of past grievances and living for herself.