overview : 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.

First Air Date : Dec 21, 2020

Last Air Date : Feb 09, 2021

Runtime : 1h 0m

Episodes : 16

Seasons : 1

Genre : Comedy,Mystery,Drama,

Companies : iWill Media

Countries : KR

Keywords : corruption, secret agent, inspector, historical, sibling, undercover operation, hidden identity, fight for justice, joseon dynasty