In late 1940, Hitler's Luftwaffe began its blitz on London, obliterating buildings and terrifying residents. But there was another sinister menace threatening the city: people who exploited this turbulent moment in history to get away with murder. Follow pathologists and detectives as they try to determine if a body found in a bombed chapel was the victim of the Nazis or a local killer. We reveal how this team, without the benefit of modern forensics, was able to crack the case using new techniques and old-school investigative methods.