Eclipso's master plan is revealed at last! But how can even he achieve such an outrageous goal? And how does it hinge on his control of the moon and the Emerald City of the Starheart? The JLA must fight Eclipso's ever-growing Shadow Army while looking for answers in a race against time to prevent The End of Days while he targets the next pawn in his plan of ultimate control: The Spectre. Plus, Obsidian is back...but whose side is he on?