Shen Qingci, who transmigrates into a book, knows from the original story that she and her two younger brothers are all destined to become stepping stones for others. She acts ahead of time to thwart Jiang Xuewei's plans to win over the Marquis and secretly seize the family's properties, producing the late Old Marquis's decree to take charge of the Marquis's household affairs. After searching far and wide, she finds her third younger brother suffering outside and exposes the trap set by villains who pretend to offer kindness. Prince Pei Yanchi, who assists in governing the realm, sees through her predicament and secretly provides evidence of the other side's collusion. Together, they uncover numerous crimes, including embezzlement and hiring assassins to injure others, ensuring that everyone harboring evil intentions pays the price.