Meet Bruno, a wildly inventive boy, and his new pet, Titch, a neurotic, slightly melodramatic guinea pig. Can they get past their differences? As the only guinea pig left in Mrs. Pinkerley's pet shop, Titch is getting lonely and anxious. All he wants is his very own Big Person. Then one day a boy named Bruno comes into the shop looking for the perfect pet. Their eyes meet, and Titch has a home at last There's just one problem: Bruno loves to play...