A cataclysmic event has rendered Earth uninhabitable. The survivors live in floating cities called Havens, suspended above the toxic world below. You are the newly awakened director of one such Haven—tasked with rebuilding civilization from above while defending against threats emerging from beyond the Cobalt Aegis, the cloud barrier that surrounds the sky. As your agents go out and ancient secrets come back, the question of what actually happened to Earth begins to take shape.