Death and destruction have risen above the surface behind the wrath of Killian and Kiani's bloody vengeance! With the aftermath of their attack on a historic American location sending ripples across the oceans and beneath, any hope for peace between the Humans and the Blue is completely lost as a new threat has emerged to lead the human invasion. Meanwhile, Aspen makes her return below the surface to Muria with Cannon and Chance, and encounters the Blue's special... guest! The deadly tides of change rise above the surface as the exciting third volume of the best-selling action adventure series, Fathom, continues!