"The Third Man" is a 1949 film noir directed by Carol Reed and written by Graham Greene. Set in post-World War II Vienna, the story follows an American writer named Holly Martins who arrives in the city to visit his friend Harry Lime, only to discover that Lime has died under mysterious circumstances. As Martins investigates, he uncovers a web of intrigue involving the black market and betrayal. The film is renowned for its atmospheric cinematography and haunting zither score by Anton Karas. It features a memorable performance by Orson Welles as the enigmatic Harry Lime, whose character becomes central to the unfolding mystery. "The Third Man" is celebrated as a classic of cinema and has influenced many filmmakers.