Join Rider and the Pups Investigators Pack in their second silly mystery about a fishy impostor. Rider Woofson is the best dog detective in Pawston, maybe even in the whole world! His job is to protect the city and its citizens from the dangerous criminal underbelly. So when Prince Bubbles — a reclusive but friendly prince — visits Pawston from the underwater country of New Sealand, Rider and the PI pack receive a tip that the prince is an impostor and spring into action. With another purr-fect mystery on their paws, Rider and the PI pack set out on an exciting investigation to uncover the truth about their royal visitor.