The search for Clear Sky has reached a dead end. Aria and Perry are determined to find the last safe haven from the ethereal storms before Sable and Hess do. They are equally determined not to be separated. Within the confines of their temporary shelter - a cave, they struggle to reconcile their people, the Settlers and the Outsiders, who are united only by their hatred of their desperate situation. Meanwhile, time is running out, and we also need to save Coal, who was kidnapped by Hess and Sable for his unique abilities. In addition, the grief-stricken Roar is enraged, putting others in danger with his need for revenge. After weighing all his options, Perry and Aria assemble a ragtag team for a difficult rescue mission. Ember is not only the key to Clear Sky, their only hope for survival, he is also their friend. And in a dying world, what could be more important than normal human relationships. In this final book of the Under the Sky That Is Not Trilogy, Veronica Rossi raises the stakes to the absolute limit and brings her epic love story to an unforgettable conclusion.