Three bizarre murders take place one after another in Binhai City. Each victim was a suspect the law had failed to punish. Lin Jun, deputy captain of the criminal investigation squad, discovers that all the evidence points to a mysterious group calling itself “The Judge.” As the investigation deepens, Lin’s partner dies unexpectedly, and Lin himself is suspended pending an inquiry. In his pursuit of the truth, Lin meets Su Yuqing, an expert in criminal psychology. Together, they gradually uncover the vast conspiracy behind the cases: a vigilante group made up of victims’ families. In the end, Lin faces a difficult choice between love and the law.
