A secret, high-tech struggle rages in neighborhoods everywhere--between cats and dogs--totally undiscovered by humans. This battle for world domination has been held in balance by an uneasy truce--until now. Scientists have developed a vaccine that cures humans' allergies to dogs--but not to cats--and the cats must destroy it. A power-mad Persian, Mr. Tinkles, leads a massive feline attack on man's best friend, and crack canine agents spring into action to defeat the diabolical feline mastermind.