Tang Wei's coworker, Han Bin, has been freeloading on rides in her private car for months. He never pays a cent and constantly nitpicks and criticizes her. At her breaking point, Tang Wei decisively sells her car and switches to an electric scooter for her commute. Furious and humiliated, Han Bin joins forces with friends and relatives to forge an agreement, spread rumors, and even threaten Tang Wei's family, attempting to shift the blame for a traffic accident onto her. Tang Wei stays calm and cooperates with the police to gather evidence. The truth eventually comes to light, and Han Bin and his accomplices are punished according to the law. Through the experience, Tang Wei learns that boundaries must be established from day one and carries on with her life without hesitation.