"Andrew Bennett, a vampire who has dedicated his existence to eradicating his own kind, is off the board. In his absence, bloodsuckers across the world have gone berserk, attacking anyone and everyone with a pulse, as Cain, the grand sire of all his brethren, enacts his bloody rise in Gotham City. Fearing that her apocalyptic vision of the future has come to pass, Madame Xanadu mobilizes her Justice League Dark team to retrieve Andrew from the realm of the dead and stop the rise of the vampires.

But everything the JL Dark members know about how to slay a vampire is useless, for the world has changed"--Page 4 of cover.