Midnight Sun (Templar Vampire Series, Book 1)

Where the damned come to play. When things go bump in the night, Allison Parker bumps back. As the resident ghost hunter in a quiet, rural town, she's thrust into the nocturnal world of the Templars. Embracing the night, she finds a place where she belongs. Damned by God, Sebastian of Rydon knows only blood and death. After eight hundred years of merely existing, he learns what is to live when Allie comes bursting into his life. Her spirit guides him out of the dark. Caught in a web of hate and revenge, they search for love as their world is torn apart.