The world is controlled by the Tripods - terrible metal machines that can control people's thoughts. There are no cities, no factories and no cars. People live in small villages and farm the land, like in the past.They have to do what the Tripods want. Will Parker wants to escape the control of the Tripods. He meets a mysterious stranger who tells him about a place in the south. There, in the White Mountains, people can be free. Will starts on a dangerous journey with his cousin Henry and their new friend "Jumper". But the Tripods are following them ... Can they escape?