Italian airship engineer Umberto Nobile enjoys a quiet life with his beloved dog Titina, who charmed him into rescuing her from the streets of Rome. One day, renowned Norwegian explorer Roald Amundsen contacts him and orders an airship capable of flying to the North Pole. Nobile seizes the opportunity to go down in history. He brings Titina along, and the unlikely trio sets out on an expedition to the last undiscovered place on Earth. Their quest is successful, but then the two men start to quarrel over the glory.