A Korean-style spy examination reveal with a tale concerning a top National Knowledge Service (NIS) agent. In his endeavor to reveal the interior traitor that brought him to his downfall, he challenges a much larger enemy behind the organization. Han Ji Hyuk is the top area representative in the NIS. He is kept in wonder by his coworkers for his ideal document and also skill at completing goals. He had been driving an organized crime organization right into a corner when he vanished off the face of the planet, but he returns a year later to shock the syndicate once again. Search Engine Optimization Soo Yeon is the head of team 4 of the Criminal Offense Information Center that is superb at performing her duties and resolving situations. She has excellent affection for individuals, as well as she particularly takes care of her teammates.