Enlisting the aid of vampire police officer Lee Nez while investigating a series of killings that point to a vampire perpetrator, FBI agent Diane Lopez learns that the victims were performing secret experiments on captured vampire Stewart Tanner.
Lee Nez has been a nightwalker, the Navajo equivalent of a vampire, for more than sixty years, and his job as a policeman makes him a target for a group of murderous witches who want his powers for themselves.