Ever since Remy O'Malley discovered her dual identity as a Healer and a Protector, she's kept alive by staying one step ahead of both sides in this centuries-old war. Now someone's trying to draw her out of hiding, using her kidnapped father as bait. To save him, Remy will need every friend she's got. But as new alliances form, old bonds fray. Her boyfriend Asher is losing his powers, becoming more mortal every time she touches him. Meanwhile, Remy finds herself growing closer to Asher's brother Gabe, even as a family tragedy drives her sister Lucy farther away. On a rescue mission to London, Remy decides she's tired of being the hunted. It's time to end this war once and for all, as Protectors and Healers alike hurtle towards a final, violent confrontation that not everyone will survive.