Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.
A married couple watches a documentary program which presents the hazards children face in the home.
After America enters World War I, young William "Bill" Jones tries to avoid military service by telling the draft board that he is the sole supporter of his family and is employed by businessman Roger Winthrop, his sister Helen's boss.
