A German-born woman works as a spy for the French in Switzerland during the First World War, and has to marry an interned French lieutenant in order to be able to stay in the country.
During the First World War, a woman doctor falls in love with one of her patients who turns out to be a German spy. She herself ends up working for German intelligence.
A man ignores a warning to stay away from a sinister house on marshland near Liverpool; when someone drowns close by, he finds the evidence doesn’t add up…