An average American family on their way to California accidentally passes through an area where test flights of new airplane models are conducted, which is closed to civilians. There they have an accident and find themselves prisoners of the desert, stretching for many kilometers in all directions.
If only that were the end of the story. But no. Ahead of them awaits a nightmarish encounter with a group of mutilators who are completely unfamiliar with modern civilization, and are eager to kill the uninvited guests ...