Oleg Antonovich Gordievsky, one of the West's most valuable Cold War agents, risks everything to avert a third World War that would destroy civilisation.

The behind-the-scenes story of the biggest surveillance operation in British history that sought to thwart the deadliest terror plot ever devised on home soil.

Four American spies are traded for ten deep-cover Russian agents on an airport tarmac, marking the beginning of a new era in global espionage.

Robert Hanssen was a former FBI agent who systematically dismantled the United States' network of undercover Soviet agents from the inside out. His espionage was described by the Department of Justice as the worst intelligence disaster in US history.

The story of eight filmmakers sent to Tehran to scout locations for a big budget, Hollywood-produced sci-fi fantasy film, as depicted in the award-winning film Argo.

The story of Vladimir Vetrov, high ranking KGB officer and secret operative for the French Intelligence Service, is one of the most bizarre to emerge from the Cold War.