Wolf numbers are dangerously low, and with fear of this endangered species spiraling out of control, extinction is a real possibility. Hunter and Ava know the future of all arctic wolves hinges on the survival of three pups. They know they are the legacy everyone is waiting for. And they know their love is strong. But they're about to face what should be impossible... Relentless poaching, the deadly virus known as and the faceless threat of Helix have combined to create a monster that will threaten them all. Weres, Fae, and humans are about to face an unstoppable wave of fury. Ava's destiny is to be the solution. Hunter's promise is to protect at all costs. As the answer become clear, they're going to have to reconcile their responsibilities...and hope their love is powerful enough to alter the choice that seems inevitable.