Shen Ning, the legitimate daughter of the Marquis of Zhongyong's mansion, mistakenly trusted others in her past life and exhausted her family's resources to help her fiancé, Lu Yanci. Instead, she was framed by him and her stepsister, leading to the tragic execution of the entire family. Surviving and reborn back to the day of their engagement, Shen Ning suddenly wakes up, publicly tears up the marriage letter, and step by step takes back everything the Shen family gave. Casting aside personal grievances, with protecting her family as her original intention, she joins hands with Prince Regent Xie Yanchen. Digging deep into the cases of the granary and military provisions, they root out the hidden Ning Wang forces trying to disrupt the imperial court. Through countless perils, Shen Ning relies on her wisdom and courage to clear her family's grievance and punish the wicked.