A Tuareg youth ventures into trackless desert on a life-threatening quest to find the father he remembers only as a shadow from his childhood, but the spirit world frustrates and tests his resolve. For a time, he is rewarded with the Eden of a lost oasis, but eventually, as new settlers crowd in, its destiny mimics the rise of human civilization. Over the sands and the years, the hero is pursued by a lover who matures into a sibyl-like priestess...