Storm Over Tibet

During World War II, David Simms pilots supplies between India and China over the Himalaya Mountains. One day hes forced to miss a flight and is replaced by his friend, Bill March. Marchs plane is lost en route and Simms feels guilty. Back in America he meets Marchs widow, Elaine. They marry and then both travel to Tibet to learn more about Marchs fate and about a mysterious Tibetan mask which has come into their possession.