One witch kidnapped using dark magic. One werewolf pack that can turn without a full moon … and one murderous vampire zealot manipulating them all. Werewolf attacks are increasing. The Supernatural Criminal Investigation team is called in when one occurs in broad daylight in the upscale Chicago suburbs. Vampire Katherine Troy and her team are assigned the investigation into how a band of werewolves can turn without a full moon. The evidence trail leads them to Midwest werewolf alpha Quinn McCall and her pack. But the wolves are not working alone. Kat's vampire enemy Cain Abrams has given Quinn access to witches and their magic. The alliance spells disaster for both the humans and every supernatural creature in the city. The team must rescue Elle, the witch being forced to work against her will, and undo the dark magic controlling the werewolves. The werewolves aren't Kat's only problem. With her daughter's death still weighing on her, she finds new information on the failed assassination plot. The trail leads straight to Cain. Kat is more determined than ever to take her nemesis down. But can she do it before he destroys everyone and everything she loves?