Good fiction always begins with story and progresses to theme; it almost never begins with theme and progresses to story. The only possible exceptions to this rule that I can think of are allegories like George Orwell’s Animal Farm (and I have a sneaking suspicion that with Animal Farm the story idea may indeed have come first; if I see Orwell in the afterlife, I mean to ask him). But once your basic story is on paper, you need to think about what it means and enrich your following drafts with your conclusions. To