The memoir offers a portrait of a formidable duchess whose intimate partnership with a sovereign made her a central figure in court politics, factional disputes, and national events. It combines the duchess’s own vindicatory writings and correspondence with contemporary pamphlets and the author’s commentary to recount her rise, influence over royal favour, clashes with rivals, and efforts to defend her reputation. Episodes of political intrigue, shifting alliances, and public controversy are presented alongside reflections on character, patronage, and the making of reputations, producing a detailed reconstruction of court life and the contested public memory surrounding a singular public woman.