He is the Winter Duke, a celebrated war hero who sees marriage as a strategic conquest. She is the Incomparable of London, a brilliant strategist who would rather face a firing squad than a wedding altar. He seeks to possess her; she is determined to never be owned. Forced into a union by the King's command, their home becomes a battlefield. In a silent war of wit and will, where every glance is a gambit and every word a weapon, the only outcome is surrender. But who will be the first to break?

The Diamond has found her home. Now, the Amethyst must find her voice. Set two years after the events of The Duke's Diamond. Content warnings: death during childbirth (in the prologue); pressure to conceive and mild bullying/xenophobia (throughout the story) A King trapped by the past. A Queen fighting for her future. A marriage on the edge of ruin. The Royal Court is once again a battlefield. Queen Adelaide possesses a crown, a palace, and a husband... but she has no power. Foreign-born and failing in her one essential duty to produce an heir, she is an island of silence in a court that whispers of her replacement. King George IV is a man haunted by the ghost of his first wife and the cruelty of his father. Terrified of history repeating itself, he has surrendered his marriage to the cold authority of the Royal Physician, viewing his wife as a fragile vessel to be managed rather than a woman to be loved. But when the whispers turn to treason and the "treatments" threaten the Queen's life, Adelaide finds an unlikely ally in the fearless Duchess of Clairmont. Together, they must expose a deadly conspiracy within the palace walls. But to save his Queen, George must do the one thing his duty forbids: break the rules, defy his council, and choose the woman over the womb.