He is a gentle and tolerant hostage of the enemy country, hiding his edge and playing chess in a cage; she is a smart and tough noblewoman of her country, responsible for the family, and dealing with intrigues. An elaborate frame-up tied the Mu family and him to death. From chess players who test each other to allies who depend on each other for life and death, emotions arise secretly during the battle of wits and tactics. However, the family and the country are standing on the wall, and it is difficult to have both loyalty and love. When the war drum beats and the motherland's swords are facing each other, he and she stand at opposite ends of fate. Should they work together to subvert the chess game, or swing their swords to cut off their love? Let's see how the proton and the noble girl fight for the possibility of being together for the rest of their lives in this chaotic world.
Concept: Machiavellian love story