Leia Walker has been training to protect her family from vampires ever since her best friend died six months ago. That humans are disappearing all over Europe is a distant worry-Until her little brother goes to Amsterdam, meets a Sangue-a vampire familiar-and disappears.Leia knows she can't save him alone. To bring him home, she must take up arms with the Owls, a group of vampire hunters, without her vampire protectors or the Owls becoming aware of each other.Under Amsterdam's streets, she discovers dark secrets, a vampire who is immune to sunlight, and a threat that turns humankind and vampires alike into feral killers.Can Leia hold on to her belief that everybody can be saved while she fights to bring her brother home-Or will she end up as a human blood bag on the farms?