Story about Kim Choon Choo, who led the unification of three ancient kingdoms - Goguryeo, Baekjae and Shilla - and achieved the restoration of Shilla Kingdom. This drama has interpreted the historical records of United Shilla founders, King Taejong Mooyeol and King Moon Moo, with dramatic imaginations. It, also, highlights the leadership of Kim Choon Choo who achieved the most glorious cultural heyday in nation’s history.