Thomas and the other gladers escape the maze and put into a giant dormitory to hold people and keep them safe from the outside world.
The Gladers have to find a space called the Safe Haven and have to get there in 2 weeks time. Then they learn about a place called the Safe Haven and they have to get there in 2 weeks time. On there way there they get into a storm and have to take cover in a building and find out there are cranks living there.
Thomas and the other gladers meet up with Teresa and a group of girls and Teresa commands Thomas to come with her and she tells him she was forced to do this and gets gassed by Teresa. Thomas knows now he cannot trust Teresa.
After Thomas gets together with the other gladers they finally get to the Safe Haven. But when they get there they learn that the Safe Haven is really a place where everyone is depressed.
After arriving to the Safe Haven, suddenly creatures with glowing bulbs on them come out of the ground and they have to fight the bulb monsters.
After all of the creatures are killed, a berg flies down and takes the gladers to the WICKED Headquarters.