Learn how the hidden world of espionage influenced the most crucial and climactic years of the Cold War. Discover how Cold War spies directly influenced the strategies and actions of President Ronald Reagan, Prime Minister Margaret Thatcher and Soviet Leader Mikhail Gorbachev. Using a wealth of material including interrogation transcripts, minutes from top-secret meetings and unseen letters, the series offers a rare insight into the world of spycraft. Ex-spies, Cold War novelists and journalists lend the narrative a present-tense immediacy. Each film includes stylised drama vignettes bringing to life key moments, while graphics breathe life into the spy networks to connect characters and explain how the flow of information worked.