Stories start in all sorts of places. Where they begin often tells the reader of what to expect as they progress. Castles often lead to dragons, country estates to deeds of deepest love (or of hate), and ambiguously presented settings usually lead to equally as ambiguous characters and plot, leaving a reader with an ambiguous feeling of disappointment. That's one of the worst kinds.
[Soho] is all things to all men, catering comprehensively for those needs which money can buy. You see it as you wish. An agreeable place to dine; a cosmopolitan village tucked away behind Piccadilly with its own mysterious village life, one of the best shopping centres for food in London, the nastiest and most sordid nursery of crime in Europe. Even the travel journalists, obsessed by its ambiguities, can't make up their minds.