Writing for radio part 2: thinking

So, halfway back up the A23 to London from my research trip to Brighton, I had what I was fairly sure was a viable idea for my first ever story for radio. Pier Productions' brief for this trio of stories, 'Lost in the Lanes', gave me my central problem, and I had 2000 words to solve it in. Next had to come Who? and Why? And in beginning to think those out (dream them up? But it felt more like 'discover them'...) I realised I absolutely knew where the story ended both physically and...