In a future world where those between the ages of thirteen and eighteen can have their lives "unwound" and their body parts harvested for use by others, three teens go to extreme lengths to uphold their beliefs--and, perhaps, save their own lives.

Connor's parents want to be rid of him because he's a troublemaker. Risa has no parents and is being unwound to cut orphanage costs. Lev's unwinding has been planned since his birth, as part of his family's strict religion. Brought together by chance, and kept together by desperation, the...