Roy is the youngest member on a team of high-level engineers brought in to launch the most important project of his career — the construction of a solar energy plant in the middle of the Mojave Desert — when the sudden discovery of long-buried Native American artifacts threatens to bring the billion-dollar operation to a halt. The disaster gets deeply personal when the whistle-blower turns out to be Opal, the fiery and unpredictable young Mojave Indian woman with whom Roy has been having an affair.