A Secret Royal Inspector is killed by corrupt officials men. The courtiers appeal to king to abolish the royal inspector system, but the king refuses. Hong Da-in (Kwon Nara), a courtesan spies on officials and report to Jang Tae- seung, Chief Secretary. Sung Yi-gyum (Kim Myung-soo) an assistant advisor is caught gambling and as punishment appointed Secret Royal Inspector. Hong Da-in's cover is blown so she is also sent with Yi-gyum to help. Yi-gyum's servant, Park Chun-sam (Lee Yi-kyung) is part of the Secret Royal Inspector's entourage.
A Secret Royal Inspector is killed by corrupt officials men. The courtiers appeal to king to abolish the royal inspector system, but the king refuses. Hong Da-in (Kwon Nara), a courtesan spies on officials and report to Jang Tae- seung, Chief Secretary. Sung Yi-gyum (Kim Myung-soo) an assistant advisor is caught gambling and as punishment appointed Secret Royal Inspector. Hong Da-in's cover is blown so she is also sent with Yi-gyum to help. Yi-gyum's servant, Park Chun-sam (Lee Yi-kyung) is part of the Secret Royal Inspector's entourage.
During the Joseon Dynasty, the Secret Royal Inspectors are the eyes and ears of the king. They travel the provinces undercover and listen to the plight of the common people, investigating abuses and corruption of government officials.
as Sung Yi-gyum
as Hong Da-in
