KGB Colonel turned Double Agent Oleg Gordievsky has spent ten years spying for Britain's secret service, MI6. Now the Soviets are on to him. His only hope for survival is to attempt a daring exfiltration plan.

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.