After destroying General Zod and other Kryptonian villains, Ursa and Non, Superman left Earth to try to find his hometown, Krypton, after astronomers discovered him. When he found nothing, he returned home to Earth. To discover that Lois Lane was engaged to a relative of his boss. And Lex Luthor returned after cheating on a terminally ill elderly woman. Due to Superman's heroic actions, his plan to destroy California failed. The perverted Luther vowed to avenge Iron Man and use the Kryptonian crystals. To plan a sinister new conspiracy to establish a continent that will wipe out most of North America! Embedded in the continental structure is kryptonite, which is Superman's only weakness, it is a deadly substance. After learning of Luthor's sinister plan, Superman must again race against time to stop the psychopath Luthor before millions or even billions of people are killed.