 Billy is helping local mechanic Wilbur soup up a hot rod called The Hornet, built from the body of a Model A Ford. Biker Vince wheels his disabled motorcycle into Wilbur s garage and when Vince is unable to pay for the repairs, Wilbur hires him on as an assistant mechanic. Billy notices that Vince has taken a shine to The Hornet. Billy s suspicions deepen when he hears Officer Nixon tell Wilbur the police are looking for a lone motorcyclist.