Royal Secret Agent DVD (Korean Drama)

Set towards the end of the Joseon era, Sung Yi-Gyeom (Kim Myung-Soo) placed first in the state examination and he now works at the Hongmungwan (administrative and research department). He doesn't have a goal or ambition for his life. One day, Sung Yi-Gyeom is caught gambling. As punishment, he is assigned to work as a secret royal inspector.

His job is to eradicate illegal acts and corruption by public officers. He carries out his new job with the help of Hong Da-In (Kwon Na-Ra) and Park Chun-Sam (Lee Yi-Kyung). Hong Da-In is a female inspector and solves cases with Sung Yi-Gyeom. Park Chun-Sam is Sung Yi-Gyeom's servant. Park Chun-Sam is talkative, affectionate, and tearful.