The young Thomas in a post apocalyptic world is inserted into the maze runner together with other boys in a maze. You have to try to find a way out.
Without his life to remember, Thomas suddenly wakes up in an elevator. When the door opens, he is welcomed by a group of boys in a concrete structure that is referred to in the Glade. Gally and Newt, he learns that two years every month a boy in the same way in the Glade has arrived, which is surrounded by a deadly maze. Every night closes the maze and changes the position of the walls. If the runner does not make it back before the end of the day out of the maze, they are threatening a victim of grievers called monster to be that inhabit the maze at night. Their bites cause a painful transformation, which includes also the memories of the previous life.
A short time later the first is a girl in the Glade and announced that she was the last before she falls into a coma. When she awakens, she prophesied that everything will change. Then the weekly supplies from the outside world are no longer close suddenly and the gates of the maze overnight. Thus, the young people are defenseless in the grievers.