Rowly's is one of London's largest stores. Thousands of customers throng the store's stairs and elevators day after day. The gold stream flows incessantly through all the store's offices and rooms, finally ending up in the Rowlys' bank. But the Rowly family has become poor in members - there is only one left, twelve-year-old John. Despite his wealth, he has no control over his person. He has to obey Aunt Fanny.