A 1994 war television miniseries which portrays Roosevelt, Churchill, and Stalin as they maneuver their countries through several of the major events of World War II - such events include the Blitz, Operation Barbarossa, the bombing of Pearl Harbor, the North African Campaign, the Allied invasion of Italy, and concluding with the Tehran Conference.

Hungarian physicist Leo Szilard leaves Europe, eventually arriving in the United States. With the help of Einstein, he persuades the government to build an atomic bomb. The project is given to no-nonsense Gen. Leslie Groves who selects physicist J. Robert Oppenheimer to head the Los Alamos Laboratory in New Mexico, where the bomb is built. As World War II draws to a close, Szilard has second thoughts about atomic weapons, and policy makers debate how and when to use the bomb