"When the elevator door opened, the only thing Thomas could remember was his first name. But he wasn't alone. He was surrounded by boys, boys who had lost their memories too, who stood welcoming him in the glades, a place like a camp with high stone walls and around it a strange, terrible, everlasting labyrinth Change, it's the only way out, and no one has ever been able to leave it alive.
Like Thomas, the Glades don't know why or how they got there, or what happened to the world out there! All they know is that when the maze opens its doors in the morning, they'll risk everything to find out.