In 1934 prospector Earl Dorr claimed he had gone into a cave under the Mojave Desert and discovered a deep canyon with a flowing river and along its banks was black sand laden with gold. Ever since then treasure hunters, promoters, businessmen and just about anyone who could pick up a shovel has gone looking for it. Known as one of the most iconic treasure stories in America, the legend of Kokoweef Mountain has captured the imagination of thousands and has become the quest of a lifetime for others. Shot on location underground and featuring interviews with treasure hunters and those who have gone on the quest, The Desert's Lost River of Gold reveals the hunt for treasure and an important aspect of human nature.