The JUSTICE LEAGUE is stranded on an Apokolips that's deadlier than ever, with Earth in its crosshairs! And while the League battles with hordes and the clock, they're presented with the ultimate quandary-protect the galaxy's most ruthless bounty hunter LOBO, sacrifice him, or do something...more unspeakable! Even worse, they must do all of this while dealing with a TRAITOR IN THEIR MIDST! Will they be too late, since all roads lead...to Darkseid?