Song Xiaoyu used to win every argument, but after receiving a collective complaint, she is transmigrated into a book and becomes the Marquis's real daughter, destined to be a stepping stone for the fake heiress. Lacking both metal and virtue, she refuses to follow the script or suffer in silence. When she encounters injustice, she immediately files a complaint; when someone displeases her, she puts them in their place. Her only goal is to rake in gold and silver. She turns the Marquis's household upside down with her outrageous ideas, carving out a delightfully unexpected path that leaves everyone completely dumbfounded.