In violation of a decades-long truce, vampire denizens of the Blood Zone have breached the wall separating the two halves of the city of Hallowed Heights and have launched a ferocious attack on the town's mayor in his own home. As the bloodsuckers rain down upon the mayor, the battle is joined by their most hated and feared nemesis-the valiant and deadly man known as Twilight Grimm! But even if he manages to turn the tide on the onslaught of the vampires will they discover that this is merely a momentary pause before the wrath of all-out war becomes inevitable?