Sarah Churchill, Duchess of Marlborough, is a commanding figure in the 18th-century English court, known for her intelligence, strategic prowess, and fierce loyalty to the Queen. With a sharp wit and unwavering determination, she navigates the complexities of courtly life, wielding influence with cunning and authority. Despite her formidable exterior, she harbors vulnerabilities and desires, revealing a complex mix of ruthlessness and loyalty as she strives to protect her position and influence.