Kim, Katie, and Lok take a trip to see a hermit about a secret way out of the valley. The hermit tells them it is past the three giant volcano mountain peaks (‘Valley of the Three Giants'). At first Gorak refuses to lead them to the three giant peaks because a Tyrannosaurus lives in that valley (the ‘Valley of the Godon'). He reluctantly agrees to take them. A turtle shell is used as a boat to get to the three giant peaks. A dinosaur attacks them in the water. John, Gorak, and Lok stay in the boat to fight the creature while the others run to hide in the jungle. Two volcanoes explode causing a tidal wave. It carries the men away from the others. A new mountain peak is formed separating the men from the others. Gorak says they must rescue the others before nightfall because of the Tyrannosaurus. It hunts in the night. A tunnel that connects the two valleys is now underwater because of the volcano eruptions. John tells them they will use the turtle shell like a submarine to go through th