Rip Cantrell is brought back to give the saucer one last flight. Charley Pine has started flying for a rich French tycoon, and there is believed to be another downed saucer somewhere in the area. Rip can't quite get over the fact that Charley has dumped him. But when push comes to shove Rip and the United States Government are going to go head to head with this crazy Frenchman in trying to be the first to the saucer.