Early eighteenth-century England is at war with the French. A frail Queen Anne occupies the throne, and her friend, Lady Sarah, tends to her ill health. When new servant Abigail arrives, Sarah takes her under her wing, and Abigail sees a chance at a return to her aristocratic roots. As the politics of war become time-consuming for Sarah, Abigail steps in to fill in as the Queen's companion. Their growing friendship gives her a chance to fulfill her ambitions, and no one will stand in her way.