Secretly Greatly

As a North Korean sleeper cell agent, Ryuhan infiltrates the South and assumes the role of a village idiot in a rural town. He observes the townsfolk and waits patiently for his mission. One day, after 2 years of playing the role of the village idiot, fellow elite spies Haerang, posed as a rock star and Haejin, posed as an ordinary student, are dispatched to the same town as Ryuhan. He helps the other two spies settle in and teach them how to adjust in the South. There For more about Secretly Gre