Shen Qingwu, the legitimate daughter of the Minister of Rites of Dayin, was framed by her concubine in her previous life and her entire family was executed. After returning from rebirth, she faked her death and escaped, dormant and waiting. The court was in turmoil, the emperor was seriously ill, and the kings seized the throne. She was ordered to marry the rumored to be fatuous prince Xie Changyuan of Zhenbei Hou. Little did they know that this son-in-law, who appeared to be a dandy, was actually an orphan from the previous dynasty, pretending to be lurking just to find out the truth behind the genocide. The two of them had their own thoughts, agreed to get married, and started fighting on both sides of the house and the palace. She checks the account books, solves strange cases, and counter-poisons, while he pretends to be sick, secretly sends clues, and protects his wife. From testing each other to working together to break the situation, they are intertwined with power and intrigue, and are sweet and affectionate. See how the sinister noble daughter and the disguised son-in-law join forces to turn the tables, stir up trouble in the court, and take over the country together.