Through a substitute marriage, she became his wife, a woman whom everyone avoided like the plague. With a mysterious background, he was cold and taciturn, yet treated her with bone-deep tenderness. Believing this to be a contractual marriage, she gradually surrendered her true heart, unaware that a baby swap from twenty years ago was quietly coming to light. When her identity was uncovered and blood ties restored, she realized that this seemingly accidental union had perhaps been destined all along. And he, from beginning to end, kept telling her: no matter who you are, the one I choose has always been only you.