Vampires Rule. Humans Are Myths.

Vampires dominated the Earth way back in the 1700's. They killed off all the humans they could find. And threw them into lakes and the water became blood and only blood. Vampires can live five times as long as humans. Storing blood ever since humans still existed. Only few vampires have the blood of a human still in possession.
While driving home from a party Vanessa Collions finds a guy around her age on the streets past out. She brings him home and leaves for a very short minute and when she returned he was gone. Who is this mysterious man? And why does she keep thinking of him?The weird thing is; she see him in her dreams.