December 1953 - Oppenheimer falls foul of the Communist witch hunt.
1949 - The Oppenheimer family becomes a target of the HUAC hearings.
May 1945: The European war is over but the war with Japan continues. Oppenheimer discusses the use of the almost completed atomic bomb with the secretary of War. His colleagues have misgivings.
Summer 1944: Oppenheimer has problems with his staff and the development of the bomb.
1943: Oppenheimer is director of Los Alamos, but his past Communist associations alert the FBI.
1942: America is at war. Oppenheimer is engaged in the race to produce an atomic bomb.