A veteran New York City journalist, Claire Hagen has learned not to trust everything she hears. So when her younger sister lands in a mental hospital after claiming a vampire is feeding off her blood, Claire is naturally skeptical. A search of her sister’s apartment convinces her: The delusions are a side effect of the drugs she discovers her sister had been taking.But a deeper investigation uncovers more than Claire bargained for. Why was a man who claimed to know her sister from an online vampire forum shot dead moments after Claire interviewed him? Why are her sister’s symptoms getting worse in the hospital? And why have agents from the Vatican taken a sudden interest in Claire?Consumed by doubt and growing paranoia, Claire barely has time to ponder her next move before a violent confrontation in her apartment changes everything. She quickly finds herself on the run with a mysterious stranger who says he wants to protect her but may not be quite what he seems. Can she trust him?