Donald accidentally receives a full-size World War II bomber instead of the model plane he ordered, and sells it to the South American country of Volcanovia. The ducks are flown to Volcanovia, where they learn that they can leave the country only by becoming national heroes. Donald's efforts to become a national hero lead to his being proclaimed a national menace instead.; Donald sends the nephews to buy six eggs, but the advertisement for the eggs lands upside-down and the kids buy him six expensive radios from the Friendly Credit Store instead.; Donald and Neighbor Jones both build barbecues and get in a fight when Jones buys up all the marshmallows in town for a party.; Donald tries on many hats and buys a huge sombrero.