Back from their trip abroad, the family must meet the people of the neighborhood while preparing for the 25th anniversary of Zonnedael. Ma falls in love with a bum that is not exactly what he seems to be.
The mayor of Sunny Dale see a chance to get rid of the Flodder family: They send the asocial bunch for an international exchange to New York. There they get confused with a Russian delegation of medical doctors while the street worker Werner who accompanies them becomes imprisoned.
Hans falls in love with Brenda, an Indonesian girl. Hans' father sells an old building to Brenda's father, so that he can open an Indonesian restaurant there. Hans' father is the owner of a snackbar himself. The restaurant becomes very succesful, but some racists can't handle that, so they set the snackbar on fire...
