As the sun sets on the time of the dinosaurs, a new world is left in its wake. Dusk alone can fly and see in the dark, in a colony where being different means being shunned—or worse. As the leader’s son, he is protected, but does his future lie among his kin? Carnassial has the true instincts of a predator, and he is determined that his kind will not only survive but will dominate the world of beasts. An extraordinary adventure set 65 million years ago in a breathtaking animal tale that reaches out to the human in all of us.