Robert Conway (Ronald Colman) is a distinguished and accomplished British diplomat retuning home from important work in the Far East. His flight is going well until the pilot makes a tragic mistake and the plane crash lands in the treacherous mountains. He and the few survivors that made it out of the crash are rescued by mysterious villagers who live within the mountains where they crashed. There Conway finds the love a young woman named Sondra (Jane Wyatt), and a beautiful and peaceful utopian-like society. The villagers and survivors find the place to be a safe haven, but believe that their serenity may be short lived as World War II is growing nearer.