Hilwyn, a noble healer who despises aristocratic constraints, treats King Lucien for a chronic poisoning that has been mistaken for impotence. To protect his secret and avoid marriage pressure, Lucien proposes a contractual marriage, eighty thousand gold coins, no interference, and separate lives. But their constant bickering masks an unexpected bond. As Hilwyn risks everything to detoxify him and proves her skill before the royal court, Lucien moves from cold indifference to possessive devotion. When he tears up their contract and confesses his heart, Hilwyn must choose between her hard-won independence and a love she never anticipated...