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 home.

Here, the survivors will finally learn the truth behind the rift.

And here they'll encounter a monster far deadlier than anything they've faced yet.