| 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. |
| Name | Character | Episodes |
|---|---|---|
| Park Eun-bin | Lady Hyegyeong | 24 |
| Kim You-jung | Seo Ji-dam | 24 |
| Lee Je-hoon | Crown Prince Sado | 24 |
| Jang Hyun-sung | Hong Gye-hui | 24 |
| Han Suk-kyu | King Yeongjo | 24 |
| Jo Woo-jin | Lee Dal-seong | 24 |
| Choi Won-young | Chae Je-gong | 24 |
| Lee Won-jae | Kang Seo-won | 24 |