“The King’s Face” tells the story of Prince Gwang Hae, an illegitimate son of King Seon Jo, who suffers since his childhood with the indifference of his father and the constant feeling that he hadn’t a place in the palace. Gwang Hae sees himself inside a constant war between his brothers since King Seon Jo didn’t have any legitimate son and had to choose between his sons who would be the CrownPrince. Inside all this tension, Gwang Hae finds again an old friend, Kim Ga Hee, which who promised to marry when they were kids. The burden of the responsibility with the people and the will to fulfilling his love put Gwang Hae on a sad path of renunciation who will put everyone against him and also define the future of Joseon.
(Source: Ma Ri at MyDramaList)