A cluster of Hungarian-Jewish scientists, nicknamed "the Martians" for the outsized number of geniuses their small homeland produced, fled European anti-Semitism in the 1930s and ended up shaping the Manhattan Project. This History Hit documentary traces figures including Leo Szilard, Edward Teller, Eugene Wigner, and John von Neumann from Budapest schoolrooms to Los Alamos, using archival photographs, wartime footage, and historian interviews to explain how their exile reshaped the physics of the bomb. It covers Szilard's early fears about nuclear chain reactions, the letter that pushed Einstein and Roosevelt toward the atomic program, and the tensions among the Hungarian group once the weapon they helped build was actually used on Japan. The film also asks why so many exceptional minds emerged from one generation of Budapest, weighing explanations from elite gymnasium schooling to the pressure of anti-Semitic quotas. It closes on the postwar unease several of them felt about the arms race their work had started.