It is August 1944 and the Gestapo is mercilessly rounding up suspected enemies of the Third Reich. When Joseph Engel, a German physicist working on the atomic bomb, finds that he is actually a Jew, adopted by Christian parents, he must flee for his life to neutral Switzerland.Gabi Mueller is a young Swiss-American woman working for the newly formed American Office of Strategic Services (the forerunner to the CIA) close to Nazi Germany. When she is...