The Royal Gambler.

Dae-Gil and King Yeongjo enter a match. Dae-Gil bets his life and King Yeongjo bets the entire Kingdom of Joseon on the outcome. Dae-Gil is the best gambler in the Joseon era. He holds deep resentment inside, but is also cool on the exterior. King Yeongjo is a man who never lower his head without a convincing reason. Meanwhile, Dam-Seo exists solely to take revenge upon king.