Fourteen years ago on a parallel Earth, a mysterious alien species turned most of the planet into uninhabitable Ruins where the rules of nature were drastically altered and caused almost everyone to disappear.
In the aftermath of The Event, two groups survived: one formed a new society in one of the few untouched areas, and the other hid underground, to wait for the world to recover.
But now those who hid have returned to the surface, seeking the girl who could be the world’s savior — or its destruction.