The only thing 9-year-old Cody has ever wanted is a dog of his own. Sadly, this will never be possible because he is allergic to dog hair. He has resigned himself to a life without a furry friend, and decides instead, to build himself an electronic dog. But then one day, life takes a surprising turn when Cody makes a startling discovery under his back deck. Suddenly, his life is filled with excitement and fun. Cody and the Hairy Thing end up having some pretty crazy and messy adventures But with this thrilling turn of events, come personal struggles for Cody. He doesn't like keeping secrets...