Riley Averline is used to danger, one has to be to be a member of the Order of Cerberus, and yet he's never seen anything quite like this. Werewolves are being targeted, left dead in side alleys with their blood drained. All signs indicate vampires are involved, but every local coven insists on their innocence. With the number of deaths only increasing every night, Riley must discover the culprit before the growing tension breaks and leads to all out war.