Directed by David Fincher and based on the bestselling novel by Gillian Flynn, "Gone Girl" tells the story of Nick and Amy Dunne, a seemingly perfect couple whose lives are turned upside down on the day of their fifth wedding anniversary. When Amy goes missing, Nick becomes the prime suspect, and the media scrutiny that follows reveals the dark underbelly of their marriage. As the investigation unfolds, the film masterfully flips between reality and fiction, keeping viewers on the edge of their seats.