National Geographic explores centuries of vampire lore and legend--unearthing new science and insights on superstition and psychology. For most of us, the vampire is a fictional count who became a horror movie icon. But is there more to the legend than fiction? Do the undead actually walk among us? From a self-proclaimed modern-day blood-drinking vampire, to a bishop who claims to have exorcized vampires and demons to experts in anthropology, forensics, folklore and vampirism, Is It Real? Vampires sheds light on why this archetypal image has haunted us for so long.