Two Colorado cowboys searching for strayed cattle during a harsh snow storm discover the remains of an ancient city built into the side of a huge cliff. It is the ruined city of the Anasazi Indians, a civilization lost for over a thousand years. This is the story of how Mesa Verde, the cliff city, came to be. It is 400 A.D. at the Animus river Valley in what is now Northwestern New Mexico, and Echata, the leader of the Raven Clan, was concerned for his people. They were starving because of the droughts and it was up to him to discover new lands with abundant food for his desperate people...