Thomas (Dylan O’Brien) awakens inside a moving freight elevator – with no memory of his former life. When the lift comes to a halt, he is greeted by a group of young men known as The Gladers – adolescent boys who have formed an organized society despite being trapped within the walls of an expansive and lethal maze. Led by Alby (Aml Ameen), the very first resident to appear in The Glade years ago, as well as his second in command, Newt (Thomas Brodie-Sangster)
Concerned that the Gladers have become too complacent with their imprisonment, Thomas begins challenging the laws of their society – putting him in direct conflict with Gally (Will Poulter), leader of the Builders, who believes that Thomas is responsible for new threats that have put the delicate society in peril. However, when the first female Glade tenant arrives with an ominous message, Thomas, Alby, and Newt realize they can no longer wait-out their lives within the confines of the maze. The time has come to escape.