After being diagnosed with a serious illness, Qin Wan returns home and discovers that her neighbor's dog has urinated at her doorstep again. The neighbor not only refuses to admit fault but also turns the blame on her. This time, Qin Wan refuses to tolerate it any longer. Armed with evidence, she fights for her rights through legal channels, step by step, and makes the neighbor face the consequences of their actions. Along the way, she takes in Haohao, a child abandoned by the neighbor, and perseveres through both medical treatment and her legal battle. In the end, she legally obtains guardianship of the child.