John Cromwell examines flights very important for the FBI. It is on the trail of a shade known as "The Phantom", an expert thief who steals priceless works of replacing them with replicas so convincing that most people do not realize that the originals have disappeared. But John Cromwell is not anyone. Through his eyes you look at the crime scene, you'll see the original and counterfeit 'enigma to unmask the Phantom.