Directed by David Fincher and based on Gillian Flynn's bestselling novel, "Gone Girl" is a 2014 psychological thriller that unravels the complexities of a modern marriage. When Amy Dunne (Rosamund Pike) mysteriously disappears on her fifth wedding anniversary, her husband Nick (Ben Affleck) becomes the prime suspect. As media frenzy escalates, the film masterfully explores themes of deception, media manipulation, and the facades people maintain. Rosamund Pike's chilling performance earned her an Academy Award nomination, and the film's intricate plot twists keep viewers on the edge of their seats.