"The Duchess of Pagliano" is a novel by the famous French writer Stendhal, which tells the story of the passionate love between Lydia Toliatsi and the Duke of Ferrara. In this story, the sophistication of society rests on ambition and manipulation, which can turn the fate of the main characters in an instant. The author, freed from the limitations of the classic novel, creates in his work a complex psychological portrait of the heroine, who turns out to be far from as stable and steadfast as it seems at first glance. "The Duchess of Pagliano" is a book about love, betrayal, loyalty and jealousy, which combines elements of a psychological novel and the mystery of the Italian Middle Ages.