A writer may have a new idea and think it the best thing he's ever conceived. Yet if he is unable to make it believable, he's sunk. His audience will leave him before he even gets going.
In the first of a three-parter, I talk about some of the ingredients for exploring new territory. For example, the importance of developing tension between good and evil and why we must acknowledge that humans are corruptible, foul creatures.
Or something like that.