 Ma and Pa Slocum sell up their thriving packed-lunch business (based on Ma s home cooking, Pa s packaging design, and pretty daughter Helen s salesmanship), and move  uptown  to live the life of the idle rich on the proceeds. But Ma starts worrying about her figure, the neighbour s nephew has his roving eye on Helen, and her construction-worker fiancé feels that the family are getting too  swell  for his touch; events culminate in a family quarrel that sends the men out to seek solace at a raunchy club, while the women resort to the Turkish Baths. But the night isn t over yet...