Stefanie Martini is an English actress, known for her leading role in ITV's 2017 production Prime Suspect 1973. She also starred in Doctor Thorne, Emerald City, the 2017 film Crooked House, and the TV series The Last Kingdom.
A short prologue outlines the young men of America joining the army, and the threat of the fifth columnists: Nazi spies hidden deep within the American forces. Two fifth columnists in American uniform blow up a local munitions factory that is supplying the local army camp.