Set through the Silla dynasty, Sam Maekjong is the son of the fallen king and queen regent that is , Jiso, however he has been retained in hiding for security ever since he had been a boy , when his dad was murdered. Through time the effective nobles have tried and failed to usurp power from Jiso, inducing her to develop wary and loath to hand over the throne. As her son comes naturally, she's the Hwa Rang. The existent power factions are cut round by their existence and Sam Maekjong is amidst their rankings under the false name Kim Ji-Dwi, unbeknownst to Hwa Rang members.