The Man of Steels most implacable enemy, the Dark Knight, has teamed up with the warlord of Thanagar to bring Kryptonite-powered destruction to Supermans regime and all of its work. But it will take more than brute force to take down the totalitarian regime of the Man of Tomorrow. As the Caped Crusaders ally Batgirl hacks into Cyborgs database to broadcast proof of Supermans brutality to the world, a dimensional vortex is breached, proving that a reality in which the worlds greatest heroes work together is indeed possible. Meanwhile, lethal adversaries like Lex Luthor, Deathstroke and Raven put their own plans into play. Will Supermans new world order crumble around him? Or will he live to rule another day?