Vivien and "Francesca" are on holiday with friends in Germany. As Vivien is relaxing on the terrace, an employee of the spa administration suddenly appears in front of her and asks about the spa tax. Since she doesn't have any, she is now blackmailing her for the rest of her holiday. Francesca understands a little German, but only speaks Italian.
Thanks to an invention, the Schiller family will soon be very well off. But there are already some jealous people. An old acquaintance wants to get hold of the "electrictooth" documents through the wife and daughters. At first only in a dream. And Xenia is initially happy to see him again. But then the dream becomes reality.