"The Devil Judge" is set in a near future where the public can participate in sentencing through an app, transforming the courtroom into a reality show. It tells the story of a chief judge who punishes 'demons' in a brutal manner, and a juror who is obsessively tracking his true identity. The narrative revolves around their mutual chase and destruction in order to uncover the truth, while unexpectedly developing an obsession with each other. The series conveys messages of justice through a live courtroom show that everyone can engage in. In this chaotic era, is the devil judge, Kang Yo-han, a hero for everyone or a demon wearing a judge's mask? This drama promises to be a memorable highlight in the courtroom genre of 2021, delivering a thrilling experience. Park Jin-young plays Kim Ga-on, the juror alongside Kang Yo-han (played by Ji Sung). Having lost his parents in a tragedy as a child, he spent his teenage years filled with anger and loss. With the help of his father's friend, the 'Street Lawyer' Min Min-ho, he studied hard and became a rookie judge. To repay Min Min-ho, Ga-on starts to eavesdrop and investigate Kang Yo-han's past and approaches him, but as he gets closer to Yo-han, he increasingly finds himself caught in chaos. The two will showcase a gradually developing attraction, leaving audiences eagerly anticipating their dynamic."