When the ruthless Federation unleashes new horrors, Marinah and King must embark on a perilous quest to protect humanity from those who would exploit it. But Marinah's journey is also a deeply personal one. Haunted by her past, she must confront the shadows of her origins to forge a future she can claim. King has always sensed the extraordinary power within her, a truth that now threatens to consume them both. To save the world, he must first save Marinah from herself, even as the hounds of hell gather at their heels.