The world is now filled with vampires, to humans. Humans don't know of these creatures that lurk in the darkness and feed on their blood. Three different types of vampires, and that's it. You have purebloods, very rare and most vampires count them as leaders. and then you have the normals, born a vampire but not a pureblood. However, the third is a disgrace to vampires... And it's the half bloods. It's humans turned into vampires, giving them half humans and vampire ways.