In this Franklin TV Storybook, Franklin's parents are going to a party, and Franklin is looking forward to spending time with Granny. Unfortunately, at the last minute, Granny comes down with a cold and isn't well enough to baby-sit. So Franklin's mother calls Mrs. Muskrat, who agrees to come right over. But Franklin is worried --- Mrs. Muskrat has never taken care of him before. Will she want to do puzzles? Will she bring fudge? Will tonight be any fun at all?