Living each day while hiding the secret that her husband's younger brother—the man she's now involved with—is having an affair with her. When her son discovers this truth, he gradually crosses his limits and begins taking action. Is it love for his mother driving him, or jealousy toward her as a woman? His emotions grow increasingly distorted. The sight he witnesses outside his mother's room delivers a profound shock to his heart. This story evolves into a deeply sorrowful drama that shakes the bonds of family and the boundaries of morality.