Noah has always been different. When he was five years old, he would give an embarrassed shrug to try to explain the webbing between his fingers. Now at fifteen, he adeptly sidesteps the topic of his physical appearance—but he is clueless about how to explain the voices that recently started reverberating in his head. How can he explain crazy? The first time he hears the voices, they push him to try to save some wayward whales stuck in a Northern California river seven hours away. He fails, and the voices stop. But when mutilated seals begin washing ashore on nearby beaches back home, the voices return with a vengeance, roaring inside his skull, begging him for help. After sharing what’s happening with his friend Taylor, who will try anything and could care less if they get in trouble for doing it, they break into the nearby marine lab to find answers about what might be happening to the seals. Instead, they uncover Noah's part in a secret genetic editing project designed to deal with climate change and rising sea levels by altering the course of evolution, and they are soon face-to-face with the man behind it all . . . and in a fight for their lives.