The Atom Bomb

Two young South African scientists, a medical specialist and a nuclear physicist, are stranded in Germany at the start of the Second World War and they have to choose between a concentration camp or cooperation with the Nazis. Both survive the war, although their German wives die during an American bombing raid on Berlin. They cannot dare to return to South Africa after the war and they stay involved with Nazi activities in Argentina--until one of them manages to destroy the Nazi dream of an atom bomb.