After two years of turmoil brought on by an unidentifiable disease that dramatically comes to an end, the government plans to hold an experimental trial where the people are the judges. Kang Yo Han, the presiding judge of the experiment, is known for his unforgiving ways of justice. However, is justice what he genuinely intends? The newly appointed presiding judge, Associate Judge Kim Ga On, starts to suspect Judge Kang, whom he admires.