Plot comes first. The plot is the archictecture of your novel. You wouldn't build a house without a plan. If I wrote without a plot, it would just be a pile of bricks. Characters are your servants. They must serve your plot.
Barbara KingsolverHuman manners are wildly inconsistent; plenty of people have said so. But this one takes the cake: the manner in which we're allowed to steal from future generations, while commanding them not to do that to us, and rolling our eyes at anyone who is tediously PC enough to point that out. The conspicious consumption of limited resources has yet to be accepted widely as a spirtual error, or even bad manners.
Barbara Kingsolver