When a girl wakes up in the Glade with no memories and no name, she's thrust into a world where survival is the only rule. But things are changing fast. After days of routine, the Box begins to rise more often than usual, bringing new faces to the maze. First, a boy named Thomas, then another girl, Teresa. Three new arrivals in just three days, when only one is supposed to come a month.
As questions mount, the Gladers grow uneasy. Gally, one of the oldest and most distrustful, is convinced these newcomers are working with the people who put them here. But there's something about Thomas, Teresa and the new girl that feels different. something unspoken, yet undeniable.
In a world where nothing is as it seems, the girl must face the truth about why she's here, what connects her to these new arrivals, and whether she can trust anyone, including herself. With the maze shifting, and the gladers lives hanging by a thread, the answers they seek might be more dangerous than they ever imagined.