Yn finds herself in an unexpected situation when she marries the cold and calculating businessman, Taehyung. Yn, who is mute but not since birth, enters into this marriage purely for Taehyung's benefits. However, as their lives intertwine, things take an unforeseen turn. Taehyung, a workaholic and a villainous figure, sees Yn as nothing more than a pawn in his game of power and control. He believes that her silence will make her an obedient and easily manipulated wife. But little does he know that Yn's silence speaks volumes, and her strength lies in her ability to observe and understand the world around her. As time goes by, Taehyung's initial plans begin to crumble. Yn's presence challenges his cold demeanor, slowly melting the ice around his heart. Unexpectedly, he finds himself drawn to her quiet strength and resilience. Taehyung starts to question his own motives and the true meaning of love. With each passing day, Yn's silence becomes a powerful force that breaks through Taehyung's walls. As their relationship evolves, Taehyung realizes that he may have underestimated the woman he married. He begins to see her as more than just a means to an end, but as a person deserving of love and happiness.