Su Jin wakes up one day to find herself transmigrated into the abandoned principal wife of the Marquis of Yongning's household. She starts out in a dilapidated house in a neglected courtyard, while others are already eyeing her dowry. When the favored concubine comes to take her belongings, her husband urges her to leave with dignity, and her mother-in-law tries to intimidate her with household rules. Su Jin calmly faces them all, with only her maid Cui Zhu by her side. Just as she forces the marquis's household to back down during an accounting in the main hall, the heir of the Duke of Zhenguo arrives in the capital, and his relationship with Su Jin is about to become impossible to conceal.