While at the Gregory barn, Annie witnessed the dog being shot by a stranger. We join her signaling Joe with their whistles. He tells about a book he’s reading about the Wright brothers, and their first flights.
Annie wants to do more to advance the technology of aviation. They review the events of the shot dog, and the possibility of involvement of spies. Are there national secrets at stake?
How can Annie and Joe keep an eye on Mr Nickleson all the time, when they have their chores to do? Annie composes a message to send out to kids in her secret society to recruit help. Get your pencils, and secret decoder rings ready kiddies!