Period drama depicts the ambitions and success stories of 6 people with Lee Bang-Won as the central figure. Lee Bang-Won was the third king in the Joseon Dynasty. He helped his father King Taejo establish the Joseon Dynasty.

This drama depicts the ideological and political clashes that happen between Taejong and Jung Do-jeon, the man instrumental in helping his father Taejo establish the Joseon nation, and the drama follows the conflict as they attempt to consolidate their power and the state of the fledgling nation.