In the face of an historical evil, would YOU have the courage to resist? It's a question that weighed heavily on the members of the CASSIA spy ring - a civilian resistance operation based out of a church in occupied Vienna. Vanessa Kirby joins ex-CIA officer Christopher Turner and Austrian intelligence expert Siegfried Bier to uncover a story of extreme courage in the face of insurmountable odds. In Part 2, the Austrian spies are folded in to the OSS - America's new foreign intelligence agency. But the acquisition comes with unforeseen - and deadly - complications. From SPYSCAPE, the home of secrets. A Cup And Nuzzle production. Series producers: Gemma Newby, Joe Foley. Produced by Morgan Childs. Music by Nick Ryan.