While investigating the theft of several valuable Pennsylvania Dutch weather vanes, the Hardys uncover a startling twist in the case. The stolen weather vanes point directly to the nation's captial - and to a serious breach in national security!.
Frank and Joe's investigation of the theft of valuable antique weathervanes and their father's search for a missing Navy employee and top secret documents intertwine.
Valuable antique weathervanes are being stolen in the Pennsylvania Dutch country. A Navy employee removes a top secret document from the Pentagon. The Hardy brothers try to solve these two seemingly unrelated mysteries.
