A re-imagining of the legendary tale of the troubled father-son relationship between King Yeongjo and his only son Prince Sado. While his father insists on a strong and centralized government, Crown Prince Sado promotes social justice and equality throughout the kingdom. Throughout eight fateful years, the strain on their relationship — both familial and political — eventually evolves into a total breakdown, ending with one of the most tragic stories in Joseon history.

• Lee Je-hoon
• Kim You-jung
• Yoon So-hee
• Han Suk-kyu
• Park Eun-bin
• Kim Min-jong
• Lee Won-jong
• Kwon Hae-hyo