In the Duke of Zhenguo's mansion, the legitimate daughter—once celebrated for her icy composure—undergoes a startling metamorphosis. The young miss, who had shown indifference to all around her, awakens with a sharp tongue and commanding presence, her fragile frame belying an intimidating aura that silences any who dare approach. What follows astounds the kingdom: she assembles loyal retainers, cultivates influential officials, ventures into commerce, and raises a private army. Her bold machinations shatter convention, earning her the whispered name of enchantress and calamity. Yan Wanqing becomes reviled—a thorn the court desperately seeks to eliminate, a serpent all recoil from in dread. Yet the Crown Prince Mingyue, descended from celestial heights, finds her in shadowed streets beyond divine reach. There, his hand closing around her throat, he demands with relentless intensity: "Will you be my wife?"