Intern lawyer Zhang San repeatedly encounters elderly people staging accidents to extort money. Little do they know that Zhang San is no easy target and refuses to show any mercy when confronted with staged accidents or moral blackmail. When Zhao Gang, a building materials businessman, secretly instructs people to take turns smearing and harassing him, Zhang San calmly gathers evidence and joins forces with helpful allies and police officers to unravel the opponent's schemes one by one. He fights back lawfully throughout, exposing and defeating those who use staged accidents for wrongdoing. Focusing on everyday family disputes and trending social issues, the series delivers a fast-paced story packed with satisfying twists. Through everyday fraud incidents, it promotes legal awareness and advocates the positive values that kindness should have boundaries and that people should rely on the law to defend their rights.