Seven of the eight survivors of the Aero Horizon crash have made it out of the deadly jungle, but the desert into which they have emerged has its own dangers, and they have very little food or water left and no sign of civilization anywhere--meanwhile, one of the survivors is changing, and that may be the greatest threat of all.

The journey through the rift becomes even rockier as the survivors are forced to take to the water, crossing a vast deepwater basin on improvised boats. To make it, Molly and the others must work together, but a rift of a different kind is forming among the survivors. If they aren't careful, it could eat them alive.

Publisher Annotation: The spires. They've been looming in the distance the whole time, watching silently as the young survivors of the crash-landed Aero Horizon Flight 16 crossed a gauntlet of dangerous, unnatural landscapes. After weeks of terror and heartbreak, Molly and her friends have reached the eerie structure they spotted at the start of their journey, all in a desperate bid that it will provide answers to their ordeal... and perhaps a way...