Bertie is back in New York, enamored with the portrait painter Gwladys Pendlebury. However, Aunt Agatha is not impressed with the painting and becomes even more annoyed when her wayward twin sons, who were sent off to colonial posts before Bertie's care, take him away to pursue a cabaret singer. Tuppy Glossop arrives to sell his family recipe for cock-a-leekie to soup magnate Slingsby to finance his nuptials to Elizabeth. But slimy ad man Lucius Pim steals Gwladys from Bertie and makes Aunt Agatha the unwitting face of Slingsby's soups on every billboard in New York.