After the death of his uncle, the owner of the Rhine based Bockelmann Sparkling Wine, Peter turns up for the reading of the will. Justus Bockelmann, a producer of mineral water, is confident he will inherit the business, but ‘for reasons of moral rectitude’ he has no intention of running an ‘alcoholic business’. The opening of the will comes as a surprise to all the potential heirs.
The story of Little Peter and his sister Anneli, who help a May beetle named Mr. Zoomzeman (German: Herr Summsemann) to retrieve his missing sixth leg from the Moon. After a fantastic and dangerous overnight adventure they recover the leg and are returned to their beds at home.
