In the ultimate battle, Superman sacrificed his own life in order to defeat the rampaging alien, Doomsday. But now that the planet is saved, the world must deal with the loss of their greatest hero. Superman's closest allies, Batman, Wonder Woman, Aquaman, the Flash, and Green Lantern gather as they try to come to terms with the death of their friend. And as Clark Kent's fiancée, Lois Lane, tries to cope with the loss of the man she loved, she discovers that Project Cadmus has stolen Superman's body and it is now up to her and Lex Luthor's girlfriend, Supergirl to stop them from cloning the Man of Steel.