When the USA was developing the atomic bomb in Los Alamos, New Mexico from 1943 to 45, J. Robert Oppenheimer, distinguished scientist and project leader, and his colleagues, were under close observation by the FBI as well as by spies from the Soviet Union. On the 80th anniversary of the bombing of Hiroshima and Nagasaki, this documentary reconstructs the Oppenheimer espionage case. Who passed top secret information to the Russians?