Three days after the end of WWII, a relieved and exhausted Prime Minister William Lyon Mackenzie King was about to find out that post-war peace was to be short-lived. The RCMP had something to report to him: there were spies in Ottawa. Russian spies. A cipher clerk by the name of Igor Gouzenko had finally managed to turn himself in after 24 hours of panic, incompetence, and utter absurdity on the part of Canadian officials. His defection revealed a spy ring that shook the Western world — some refer to it as “the spark that ignited the Cold War.”