It is the Fall of 1964. Prague has fallen to the Soviet invasion to stop the uprising. A former Nazi scientist, Otto Voss, is willing to work for the East Germans and Russians and afraid of the Americans. New CIA agent Ed Maddux is given the difficult task of convincing him and his family to defect to the U.S. Maddux is also interested in learning what Voss knows about Maddux's father's disappearance.