 The film's storyline borrows details from Shakespeare's "The Tempest" and more contemporaneously the 1956 science fiction film "Forbidden Planet".Mark Bradley (Richards) is a radio commentator whose pilot, Joe Walker (Smith), is flying him across the South Pacific to a conference in Australia.Engine trouble develops, and Walker must make a forced landing on the beach of a small, uncharted island inhabited by Dr. Paul Lujan (Napier).