Pregnant with Prince Xie Huaichuan's child and fearing his arranged marriage, servant Lin Xiaotao flees to the northern border with her son. For five years, Xie rejects every match, searching relentlessly. Through a chance encounter with a boy who looks exactly like him, he finds his family and reveals his heart. Back in the palace, Lin faces criticism for her humble origins, but Xie stands firm—crowning her Crown Princess, then Empress. In the end, their family of four finds lasting happiness.