Burning with a desire to be a journalist, a young man gets his chance when a publisher -- the father of a friend -- suggests that he write a story on the daily life of the people in his house (several families worth of people). The material turns out to be too incohesive and abundant to work into a pointed, thematic article, and just when he is about to give up, his younger brother asks him a simple question: "How many coal burners are there in Calcutta?" This triggers an idea for a story about ...