Kay's parents are going out for the evening, and Granny can't come over to babysit, so Granddad is left in charge of Kay and her baby brother. Granddad has never babysat before, but how hard could it be? When faced with dirty diapers and a howling baby, Granddad finds he must depend on Kay's guidance to get through the ordeal. And Kay is surprised to find that Granddad has a few good babysitting ideas of his own.