Lu Hanzhang, the legitimate daughter of the Marquis's family, was betrothed to the Crown Prince since childhood—only to learn on her jījī ceremony day that he had fallen for her younger half-sister. She immediately severed the engagement, donned her phoenix crown, and married Helan Fu—the Crown Prince’s deadliest rival. A bold, passionate steppe warrior, Helan Fu is fiercely loyal, unexpectedly thoughtful, and utterly devoted to Hanzhang—protecting her with unwavering strength and deep respect.