Josie mystery-shops doggy daycare centers, including Uncle Bob's Doggy Day Camp, known for its outrageous TV commercials, with Uncle Bob acting like a dog. But Josie discovers when the cameras are off, Uncle Bob is mean as a rabid dog. Franklin, the man who rents from Josie's mother, works for Bob, and plans to quit now that he's seen Bob's cruelty. But Bob is murdered, and Franklin is arrested for the crime. Josie has to catch a killer and clear Franklin's name – before more trouble is unleashed.