Lu Wanxing returns to her home country overnight, only to find the nanny's niece, Su Qiaoqiao, showing up at her door with a fraudulent DNA report and claiming to be the long-lost daughter of the Lu family. Her former fiancé, Shen Zhixing, takes Su Qiaoqiao's side. The Lu family's 'real daughter,' whom they had spent ten years searching for, turns out to be Xiaofu, a missing Labrador retriever. Su Qiaoqiao causes a scene at the Lu residence, smashes their belongings, and even attacks the little dog. Lu Wanxing gathers evidence and exposes the fraud. Even after facing legal consequences, Su Qiaoqiao refuses to give up. She undergoes plastic surgery to look like Lu Wanxing and sets a trap to frame her. Lu Wanxing proves her innocence through a livestream, and the perpetrators finally face justice.