One modern movie that is renowned for its unexpected plot twist is "Gone Girl" directed by David Fincher. The movie's twist comes towards the end, revealing a shocking revelation about the character's true intentions. What makes this plot twist memorable is the way it completely shifts the audience's perception of the narrative and characters, leaving viewers stunned and questioning everything they thought they knew about the story. The twist adds a layer of complexity and unpredictability to the film, making it a standout example of a modern movie with a truly unexpected plot twist.