The humans and vampires begin their epic counterattack on Darkseid and his invading forces. But in order to win the battle, the prophecy of Mister Miracle's child must come true. How this half-human, half-vampire baby is meant to be humanity's secret weapon is left to John Constantine to figure out. But with the tide of the war turning against our heroes, he may be too late. And Black Canary makes a startling battle decision that will change the world of vampires forever!