With the Dawn (Faith of the Fallen Book 1)

Alexi Creed needs to know who murdered her, and why. When she wakes up with no memory of her previous life, the only clue she has is a sudden, undeniable thirst for human blood. She finds allies in a mysterious witch with an enigmatic warning of the future and a brooding werewolf in search of redemption. Together they must fight malevolent vampires, agents of the Arcanum, and the forces of darkness if she is going to uncover her past and save the world from a night that will never end.