Taking a shortcut home from a summer trip because of an urgent message from their father about an upcoming assignment, the Hardys come across a mysterious roadblock. They move it aside and press on for the sake of time and are soon forced off the road by a blinding flare. In short order, they are shot at and their car is overturned by a low-flying plane which clips the roof. Recovering their wits, they right the car and continue home to be greeted by their father with details of their new case: they are to infiltrate Stanwide Mining Equipment Company who are having expensive electronics components swiped from orders being flown out to customers.
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