It's one month after the Anti-Life Equation was released worldwide. Millions now toil as slaves of Darkseid, while the Justifier shock troops of Apokolips lay waste to the planet Earth and hunt down its protectors. The remaining free humans and superheroes are stationed around the world, besieged within the walls of ten very familiar 'Watchtowers', as they fight a desperate, losing battle against the triumphant forces of evil. While Green Arrow and Black Canary attempt to deliver the secret of humanity's last hope across America's blasted wastelands, the Outsiders brave the horrors of the Bludhaven bunker in search of Batman. The ultimate battle is coming…but which heroes will become villain - and vice versa ? And what part do the Secret Society have to play in the dawning of this new Age of Evil? Darkness is falling and death rules the day. Is this truly the end of the Age of Super Heroes? Don't miss FINAL CRISIS #4: 'How to Murder the Earth!'