A long frozen block of ice cracks open, in a cave in the North. A young dinosaur emerges to a world he does not recognize He meets Arctic Fox, who has never seen anyone like him. Where are all the dinosaurs? Where is his mother? Dinosaur remembers the bedtime stories his mother told him about a place their ancestors used to live. It was a place of warmth with a great canyon. Could they be there? As Arctic Fox directs him to the warmer South, Dinosaur begins a long journey to answer his questions. His journey takes him through Yellowstone, Yosemite and Grand Canyon National Parks, where he seeks the help of animals in finding his answers. Does he ever find his home and family?