When Gotham’s Dark Knight uncovers illegal weapon shipments tied to Lex Luthor, his investigation leads him straight into Metropolis and into conflict with Superman. Their clash of ideals quickly escalates, but when Luthor unleashes Amazo, an adaptive android capable of mimicking superpowers, the two heroes must join forces to stop a threat that could end humanity. Through battle and sacrifice, Batman and Superman learn to trust one another forming the foundation of a legendary alliance that will one day inspire the world.