The drama begins in 1374, the final year of King Gongmin of Goryeo. Those times were marked by abuse of power, corruption and political chaos, as government officials and scholars dream of a new dynasty and a new era. Jeong Do-jeon was an aristocrat and politician who assisted Yi Seong-gye (later King Taejo) when he seized power and established a new dynasty, Joseon. After Taejo became the first king of Joseon, he left all state affairs to Jeong, making him the most powerful and influential man who shaped the 500-year-long dynasty by laying down Joseon's ideological, institutional, and legal foundations. Deciding all policies from military affairs, diplomacy, and down to education, he laid down Joseon's political system and tax laws, replaced Buddhism with Confucianism as national religion, moved the capital from Kaesong to Hanyang (present-day Seoul), changed the kingdom's political system from feudalism to highly centralized bureaucracy, and wrote a...