The Masqueraders by Georgette Heyer is a historical romance novel set in the Georgian era of England. The story revolves around the adventures of a brother and sister, Prudence and Robin Merriot, who are forced into hiding due to their involvement in the Jacobite Rising of 1745. To escape detection, they ingeniously adopt disguises: Prudence as a man, "Peter Merriot," and Robin as a woman, "Kate Merriot." The novel is a blend of romance, intrigue, and comedy, as the siblings navigate society in their disguises, encountering various challenges and misunderstandings along the way. Prudence/Peter becomes embroiled in the romantic pursuits of a young heiress, Letitia Grayson, while Robin/Kate attracts the amorous attention of Sir Anthony Fanshawe, a dashing and astute gentleman. The plot thickens with the arrival of their enigmatic father, a master of disguise and a schemer, who involves them in a daring plot to secure a fortune.