2028. A disaster ravages the island city of Santcosmo, leaving the survivors shut off from the rest of the world on an island changed beyond recognition. Jem is an explorer in this new world, searching for a place she's not even sure exists. But after she accidentally releases a powerful force from an underground chamber she wasn't supposed to discover, the fragile way of life humanity managed to build is threatened again. Now Jem needs to find a way to fix her mistake, before the world breaks...again.