After her parents mysteriously disappeared at the age of thirteen, Evangeline Evans has been on her own. As a military pilot for Olympus, the most powerful and technologically progressive Citadel of the new world, she keeps her reasons for finding them a secret. Without warning a terrifying disease that could destroy civilization begins to infect citizens across the city. Only the race known as Angels-who brought advanced technology to Earth-seem to be immune to its devastation. Evangeline and her husband Jack, an Artificial Intelligence designer, are swept into a secret war between the...