When she was sixteen, Joanna Archer was brutally assaulted and left to die in the Nevada desert. By rights, she should be dead. Now a photographer by day, she prowls a different Las Vegas after sunset—a grim, secret Sin City where Light battles Shadow—seeking answers to whom or what she really is . . . and revenge for the horrors she was forced to endure. But the nightmare is just beginning—for the demons are hunting Joanna, and the powerful shadows want her for their own . . .