Seventeen-year-old Amelia Pritchett never meant to travel to the floating city of Ixus. It was an accident. Something she never dreamed was possible. Ixus fell silent 30 years ago during one of the worst pandemics the world had ever seen. But since the recovery of the surface, no one knew what was left of the floating city. Now, Amelia alone knows the unthinkable truth that lies inside the city's protective shield. Searching for a way home, she discovers that Ixus does not give up its secrets easily.