The Signal is a weapon. The aliens possess it. Survival is imperative. After an epic battle, the weapon is lost, but Atlas won't succumb so easily. He's vanished with the key to humanity's survival, and David Bryce is left to fight on his own. Atlas finds himself in the middle of a hornet's nest, amid an alien people that he can hardly comprehend. But their motivations are clear, and that's enough to keep him focused on retrieving...