The thriller genre is a category of literature, film, and television that focuses on suspenseful and exciting plots. It often involves a protagonist facing a dangerous situation, such as a crime or a psychological conflict, which keeps the audience on the edge of their seats. Common themes include mystery, tension, and the exploration of human emotions under pressure. Thrillers can be divided into sub-genres, such as psychological thrillers, crime thrillers, and action thrillers. Notable examples include Alfred Hitchcock's films, like Psycho, and novels by authors such as Gillian Flynn and Dan Brown. These works often feature unexpected twists and complex characters, enhancing the overall suspense.