Following the test denotation of an atomic bomb, a small uranium microverse is created, which Wonder Wonder takes to Paula’s lab. They discover that the protons are actually women ruled by a Queen Atomia and the neutrons are slave robots.
Next Atomia causes Wonder Woman and her friends to shrink to microscopic size and the Neutrons take them prisoner. Only when the Amazon Princess takes control of the protons can she and the others make their escape.
Finally, when Atomia causes the atomic universe attacks a small island, Wonder Woman uses the enlarging ray to bring Atomia back to full size, then takes her to Reform Island where, with the help of the Magic Girdle, reforms.