"The Cask of Amontillado" is a short story by Edgar Allan Poe that explores themes of revenge and deception. The narrative follows Montresor, who seeks vengeance against Fortunato, a wine connoisseur, during a carnival in Italy. Montresor lures Fortunato into the catacombs with the promise of tasting a rare wine called Amontillado. As they descend into the dark, damp catacombs, Montresor's true intentions become clear. He ultimately traps Fortunato in a wall, sealing him in for eternity. The story highlights the psychological aspects of revenge and the consequences of pride, leaving readers with a chilling sense of betrayal.