New York Times Bestseller: Six American spies embark on a dangerous mission behind enemy lines in this classic Cold War espionage thriller.
 Lt. Cmdr. Charles Rone, a young naval intelligence officer with a sterling record, finds himself abruptly discharged from the service. Without his consent, Rone has been recruited to join a top-secret network of agents who operate independently of the US government. Led by a cynical spymaster known only as the Highwayman, the group will break any law and destroy as many innocent lives as necessary to stop the spread of communism.
 
In Moscow, the Americans must make contact with a high-level mole in the Kremlin and recover a letter that could spark a nuclear war if it falls into the wrong hands. But treachery is an integral part of this shadow conflict between superpowers, and no sooner has the team arrived in the Soviet capital than the double-crossing begins. One devastating betrayal follows...