A riveting true story of a 1928 Arctic disaster and the largest international polar rescue expedition in history, with a twist: the doomed explorers were traveling by dirigible. Triumphantly returning from the North Pole on May 24, 1928, the world-famous exploring airship Italia-code-named N-4-was struck by a terrible storm and crashed somewhere over the Arctic ice, triggering the largest polar rescue mission in history. Helping lead the search was Roald Amundsen, the poles' greatest explorer, who himself soon went missing in the frozen wastes. Amundsen's body has never been found, the last victim of one of the Arctic's most enduring mysteries . . .