Vladimir Vetrov was a top KGB spy until he betrayed his country and became a secret agent for the West. Codenamed Farewell, he would become America's single greatest asset in the US-Soviet Spy war.
Martha Peterson is a CIA secret weapon, operating as a woman in the man's world of espionage in Cold War Moscow. TRIGON is a KGB turncoat, ready to hand over top secret intelligence to bring down the Soviet Union from within.
