Beaver, the smallest boy, decides to run away and leaves a note saying that he goes into the bush, and his buddies fret over his whereabouts.

Jan Van Gelder, owner of the Bildara junkyard, was an ace pilot during the war and has kept his small plane as a souvenir in a hangar by the runway. He is requesting a permission to the council to give airplane rides to children, but Cribbins enjoys refusing it with the excuse that he's too old to fly.