Adelgitha; or, The Fruits of a Single Error, by Matthew Lewis, is a poignant Gothic tragedy that explores the harrowing tale of a fallen woman subjected to the relentless blackmail of a tyrant after rejecting his advances. Set against the backdrop of Otranto during the High Middle Ages, the play features historical figures like Robert Guiscard and Michael Ducas, weaving a narrative rich with themes of treachery, madness, and despair. Despite its lack of refinement, the work captivates with its dramatic intensity and emotional depth, making it a compelling listen for those drawn to the darker aspects of human nature.