Undead activity is on the rise in England. When a friend is felled by a vampire's bite, Union Jack takes up the trail. But this brood of blood-suckers does not seek simply to feed. Its members are on the hunt for the most coveted icon in all history, the Holy Grail, hoping to stimulate evolution among their population. Now, with another friend infected, Union Jack must turn back the vampiric onslaught or risk the lives of all he holds dear!