"Devil Judge" is set in the near future where everyone can participate in sentencing through an app. It is a persistent pursuit drama about a chief judge who makes the court into a reality show and punishes the devil miserably, and a juror who is curious about his true identity. It tells the story of two men who chase each other again and again, choose to destroy in order to find his true identity, but are fascinated by each other in unexpected circumstances. "Devil Judge" is a TV series that throws justice messages through a live court show that everyone can participate in. Is the devil judge Kang Yo-han, who appears in a chaotic era, a hero for everyone? Or a devil wearing a judge's mask? It will make a bold stroke in the court TV series in 2021 and will bring a refreshing genre pleasure. Park Jinyoung will play the juror Kim Ga-won (sound) of Kang Yo-han (played by Ji Sung) in "Devil Judge". Kim Ga-Won, who lost her parents in a tragedy when she was young and spent her teenage years full of anger and loss, studied hard with the help of her father's friend, street lawyer Min Min-ho, and became a first-time judge. In order to repay Min Min-ho, Kim Ga-Won began to eavesdrop, investigate Kang Yo-Han's past, and get close to him. But the closer Ga-Won got to Kang Yo-Han, the more confused she fell into.