Gibbie Gibson (Donald Pleasence) has discovered a World War II-era plane wreck in the mountains of New Zealand. When his discovery gets around town, Gibson, his daughter Sally (Lesley Ann Warren), and his lodger Barney Whitaker (Ken Wahl) find trouble from a group of treasure hunters led by a Mister Theo Brown (George Peppard), who are intent on finding the cache of money they believe is on the wreck.