A plot twist is a sudden and unexpected change in the direction or outcome of a story. It often occurs in literature, film, and television, surprising the audience and altering their understanding of the narrative. Plot twists can reveal hidden truths about characters or events, making the story more engaging and thought-provoking. These twists are commonly used in various genres, including mystery, thriller, and suspense. A well-executed plot twist can leave a lasting impression, prompting viewers or readers to reconsider earlier events and their implications. Famous examples include Shyamalan's "The Sixth Sense" and Agatha Christie's "And Then There Were None".