The Third Man is a classic film noir set in post-World War II Vienna. It tells the story of an American writer named Holly Martins who arrives in Vienna to meet his friend Harry Lime, only to discover that Lime has died under mysterious circumstances. As Martins investigates Lime's death, he becomes entangled in a web of deception and betrayal. The film is known for its atmospheric cinematography, gripping storyline, and iconic zither score. It is a must-see for fans of suspenseful thrillers.