"Zachary, a 16-year-old Underworld scavenger, seeks a reason to live beyond the filthy sewers. After a discovery, he is drawn to Rosa, a 16-year-old Overworlder whose life is lonelier. In fighting the prejudices of the worlds aboard the Galilei Research Base, Zachary will suffer and discover a secret that threatens his new reason to live; Rosa."

"Zachary, a 16-year-old Underworld scavenger, seeks a reason to live beyond the filthy sewers. After a discovery, he is drawn to Rosa, a 16-year-old Overworlder whose life is lonelier. In fighting the prejudices of the worlds aboard the Galilei Research Base, Zachary will suffer and discover a secret that threatens his new reason to live; Rosa."