Zombillenium Park has never been better: its popularity has peaked following demonic reforms by Behemoth, who then decides to play his property in a very special competition ... A witches' Sabbath! Gretchen, Aurelian and Von Bloodt, meanwhile, have set up an underground escape network in order to offer the damned the chance for reconversion. But what are Gretchen's true intentions? Will the undead succeed in asserting their rights? Who will be the future happy owner of the Zombillenium Park?