SPUD ? he?s scatty and accident-prone ? but good with the gadgets STAR ? she?s super smart and ready to pounce . . . Together they?re SPY PUPS, following hot in the paw prints of mum LARA (that?s Licensed Assault and Rescue Animal to you). Beaches up and down Britain are in terrible danger. A greedy trickster is polluting the seas ? soon there?ll be nowhere safe to swim. But when Spud discovers a mysterious underground secret, only he and Star can save the day ? and the seaside!