Secret Royal Inspector, New Secret Royal Agent , New Ambassador , New Secret Royal Inspector , New Secret Royal Investigator , Blade of the Phantom Master , Secret Royal Inspector: Joseon Secret Investigation Team , Sin Amhaengeosa , Amhaengeosa: Joseonbimilsoosadan , 신 암행어사 , Secret Royal Agent , Royal Secret Agent
Set close to the conclusion of the Joseon age, Sung Yi Gyum puts first in the state assessment, landing him a situation at Hongmungwan in the Organization and Exploration Division. Regardless of his new achievement, he has no life objectives, nor the desire to acknowledge them, on the off chance that he did! While found betting, Sung Yi Gyum, is rebuffed and relegated to fill in as a Mysterious Imperial Overseer. He is entrusted with revealing unlawful demonstrations and uncovering debasement inside the positions of public officials. He settles cases with the assistance of individual monitor Hong Da In, a female partner and his worker Park Chun Sam, who is chatty, friendly, and frequently mournful. Sung Yi Gyum's family comprises of an aristocrat father, his stepmother, a slave, and a more youthful step-sibling, Sung Yi Bum. His dad will not acknowledge Yi Bum as his real child because of his mom's low societal position. Therefore, Yi Bum is banished from quickly jumping all over specific chances, making a universe of hatred towards his more established step-sibling, Yi Gyum.