Mu Wanqing was married into a wealthy family as a stand-in for Fu Sinian's first love. During their three years of marriage, she endured endless coldness and humiliation. Time and again, Fu Sinian chose Lin Weiwei, his beloved first love, over her, even sacrificing Mu Wanqing's health, dignity, and life. After suffering one heartbreak after another, Mu Wanqing's heart finally went cold, and she left without hesitation. Gu Yanshen, the gentle second male lead who had silently protected her all along, became her new light. When Mu Wanqing returned to the world transformed and dazzling, and became engaged to Gu Yanshen, Fu Sinian finally realized that he had fallen in love with the woman he himself had driven away. From then on, he was plunged into a hell of endless regret and pain.