At a temple fair, Shen Zhixia catches He Zhigang swindling an old person out of money. Upon returning home, she hears that her long-lost son has returned, recognizes that he is the fraudster, and exposes him on the spot, but her father refuses to believe it. He Zhigang disguises himself as a dutiful son, plotting to seize the house and savings, spreads rumors everywhere, and schemes to frame Shen Zhixia as mentally unstable. Driven out of her home, Shen Zhixia befriends a victim and sneaks into the Kangtai Wellness Manor to gather evidence. Just as the scammer intends to trick the father into executing a property gift notarization, the father sees through the disguise using a childhood small iron hammer. Shen Zhixia submits all the evidence, the police successfully arrest the fraud syndicate, the father and daughter resolve their misunderstanding, and the old person's property is guarded.