He is a cold palace prince, frail and sickly, and the most inconspicuous loser in the court.
She is the prime minister's daughter, cold and aloof, and an involuntary pawn in the boudoir.
A murder case at a palace banquet puts them on the same chessboard.
He tests her depth, and she peeps into his authenticity.
Later he realized that she was the only one who could play the game with him.
Later she realized that he was the only one worthy of her breaking the situation.
And when all the chess pieces return to their positions, the truth is revealed——
In this game of chess, who is the player and who is the pawn?