Overview: Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.
Overview: Drug-criminals take advantage of commutation by passing over the insider’s information bought from ‘Ya-Dang’. Cops and prosecutors, on the other hand, make performances by using the information. There is a triangle in Korean drug-crime scene: police, prosecutors and the game changer, ‘Ya-Dang’.