Based on a novel of the same name, it tells the record of a royal court romance between the King of Joseon who places his duty to his country first above love, and a court lady who wants to protect the life she has chosen.

Do Il-Chool (Park Jung-Min) has a talent for playing poker and he is the son of Jjakgwi. His father was a gambler and had one ear cut off after he was caught cheating. Il-Chool meets mysterious gambler Aekku (Ryoo Seung-Bum) and gets involved in the master gambling world.