"The Devil Judge" is about a judge who desperately punishes evil by turning the court into a reality show and an associate judge who is curious about his identity. Ji Sung has completely transformed himself into a Kang Yo-han who punishes greedy powerful people. Kim Min-jung plays the role of Jeong Seon-ah, the only arch enemy of Kang Yo-han. The two perform are expected to overwhelm the work. Park Gyu-young play Kim Ga-on, an associate judge and Yoon Soo-hyeon", a detective at the metropolitan investigation unit, respectively. The two show a subtle emotional tightrope between friends and lovers. In addition, high-end actors such as