Set during the Joseon Dynasty period, four people from different walks of life come together to make Prince Lee Geum the King and reform the Saheonbu. The four people are Lee Geum, Yeo Ji, Park Moon Soo, and Dal Moon. Lee Geum is a prince, but, even though he is smart, he is not recognized as a prince due to his mother being born in the lowest class. Yeo Ji is damo
