On an alternate world, Joker has destroyed Metropolis with a nuclear weapon that went off when Superman was tricked into killing Lois Lane and her unborn child. Batman interrogates Joker on where he got the nuke until the interrogation is crashed by a saddened Superman who avenges Lois and those were killed by killing Joker. Since this incident, Superman decides to protect Earth his way by taking over it. The superheroes are divided into two groups: the One Earth Regime led by Superman in his position as High Councilor and the Insurgency led by Batman.