After chasing the evil Mala through space, Superman returns to Earth and he finds people running from him. While Mala had decoyed Superman, her partner, Jax-Ur, disguised himself as Superman and terrorized the world. Now Jax-Ur and Mala plan to save the people of Earth from Superman, become their new hero, and lead them in Jax-Ur's quest to take over the planet. Superman has to stop Jax-Ur and Mala, but it's not easy when they have a whole world on their side.