The forests burned, the lakes and rivers dried up, and the oceans swelled. Then came a plague. Families died, violence reigned, and man killed man. Next came WICKED, who were looking for an answer. And then they found the perfect boy: Thomas, who built a maze. Now there are secrets. There are lies. And there are loyalties history could never have foreseen.

In a ruined and toxic landscape, within a giant underground silo hundreds of stories deep, lives a society full of regulations they believe are meant to protect them. Then Sheriff Holston, who has unwaveringly upheld the silo's rules for years, breaks the greatest taboo of all: He asks to go outside. His decision unleashes a drastic series of events. His unlikely replacement - Juliette, a mechanic with no training in law, is about to learn how badly...