The movie takes place in a post-apocalyptic world where a group of boys, known as Gladers, are trapped in a massive maze with no clear exit. The maze is surrounded by a massive wall that seems impenetrable, and the only way out is through the center. Thomas, the protagonist, arrives in the maze with no memory of his past. As he tries to navigate the maze and find a way out, he realizes that the maze is not just a physical challenge but also a psychological one.