The Good Detective (2020)

S1E10 The One Behind Jo Seong Dae

Do Chang is back on the Violent Crimes Unit Two after reaching a deal with Superintendent Moon. The team shifts their attention to Park Gun Ho’s case and discovers a bloodstain belonging to Jo Seong Dae at the crime scene. This finding uncovers Chief Nam's misconduct and hints at a link to Oh Jong Tae. As the team inches closer to Jo Seong Dae, they unexpectedly glimpse the person behind the corruption.