Gally, Chuck, Teresa, Thomas, and Newt, were thrown into a man-made glade in the middle of a huge jungle. Trying to survive there for days, they find a path and start following it
Gally goes on ahead when he ses and opening, and looks off a cliff to see a big dam with a cave entrence.
Gally brings Newt down and Newt goes up to the cave entrance first. They are both hesitant to go into the cave.
Newt tells Gally that they should call the rest of the Gladers down to the cave, and they will try to escape the Glade.
The rest of The Gladers Join Gally and Newt, and they explore the cave until they come across Giant, Spider-like robots, called Grievers, with mechanical legs and huge tails with a stinger on the ends of them. The Gladers Fight to the death against the Grievers.
Thomas, Teresa, Minho, and newt are the only Survivors. They come to the end of the cave and drop down to cry because they suffered a loss of Gally and Chuck. The Theme of this story is perseverance and loss.