Between 1939 and 1945, from Paris to Warsaw, from Athens to Copenhagen, certain men and women rose up to take a stand against Nazism. Using any means they could to fight against it, they resisted... Shadow fighters tells their story. WWII Secret Army travels to 15 European countries interviewing the last survivors, exploring for the first time at the Resistance on a European scale. With re-enactments and previously unscreened private archive material, WWII Secret Army offers a new approach to this moving chapter of World War II in which individual destinies combined to forge a great collective story.