Miss Schmalzbrot and Billie Balloonist are excited – they are getting a visit! They will finally meet their Indian grandpa. But it won't be that simple. Suddenly, Dad only wants to cook "real Indian" food, the apartment gets really cramped, and many adventures need to be tackled. Billie Balloonist tries her hand at being a fortune teller, the parents are to be trained with the help of a dog guide, and they embark on an unconventional apartment search. But who knows? Maybe in the end, there will even be the longed-for dog...