The Untold Story of R gina Diana tells of the rebellious daughter of working-class French-Italian parents from a run-down area of Geneva who, trained by the most ruthless spymaster of them all, Elisabeth Schragm ller (aka Fraulein Doktor), became a much-adored French 'caf -concert' singer, a discreet and highly prized prostitute plying her trade, and a successful German Great War spy. Regina's spy operations were full of intrigue: a network...