Thomas is taken by WICKED after the last city is burned to the ground. Held in a new area where no one is allowed in or out he is tested on and used relentlessly to produce a cure to the deadly flare virus, an after effect of the sun flares that have ravaged the earth. Also in this facility is Teresa, carrying a secret no longer a secret. While WICKED uses her and her child to threaten Thomas, the two of them must try to figure out how to escape their hell, and repair a family that has been broken from the beginning.