Last time , we discussed how to avoid backstory plot holes. This week, we offer ideas for layering backstory into your plot to create conflict. 1. You can reveal your protagonist's critical flaw by explaining something that happened in the past. The critical flaw is revealed near the beginning to explain why Dick is drawn into the story problem and trips him up along the way. The flaw, his kryptonite, can stem from a traumatic episode from the past. 2. The secret weapon is revealed early on to explain why Dick, and only Dick, can solve the overall story problem. It can be a talent, strength of character, belief, or an actual object. You can show him using his secret weapon, or refusing to use it, in the past before he is called upon to use it in the present. 3. Whatever skills or failings Dick has, don't whip them out at the last minute by saying, "Oh, yeah, back in school I used to (fill in the blank)." That is backfilling and it is a no-no. 4. Backstory ca