An adaptation of Mark Waid's "Tower of Babel" story from the JLA comic. Vandal Savage steals confidential files Batman has compiled on the members of the Justice League, and learns all their weaknesses.

Two men come to Gotham City: Bruce Wayne after years abroad feeding his lifelong obsession for justice and Jim Gordon after being too honest a cop with the wrong people elsewhere. After learning painful lessons about the city's corruption on its streets and police department respectively, this pair learn how to fight back their own way. With that, Gotham's evildoers from top to bottom are terrorized by the mysterious Batman and the equally heroic Gordon is assigned to catch him by comrades who both hate and fear him themselves. In the ensuing manhunt, both find much in common as the seeds of an unexpected friendship are laid with additional friends and rivals helping to start the legend.

Catwoman attempts to track down a mysterious cargo shipment that is linked to a Gotham City crime boss called Rough Cut.

As the home planet of the Green Lantern Corps faces a battle with an ancient enemy, Hal Jordan prepares new recruit Arisia for the coming conflict by relating stories of the first Green Lantern and several of Hal's comrades.

Batman discovers a mysterious teen-aged girl with superhuman powers and a connection to Superman. When the girl comes to the attention of Darkseid, the evil overlord of Apokolips, events take a decidedly dangerous turn.

A heroic version of Lex Luthor from an alternate universe appears to recruit the Justice League to help save his Earth from the Crime Syndicate, an evil version of the League. What ensues is the ultimate battle of good versus evil in a war that threatens both planets and, through a devious plan launched by Batman's counterpart Owlman, puts the balance of all existence in peril.