Private I. Imagine come home and your wallpaper has flown away, or return home and find a whole flock of birds is hiding on your bedroom wall. Her mission is to prove he didn't do it and unravel the mystery of who did!
Setting Establish the time and place, as well as the general situation. If is about a robbery, it might be the event that makes a character consider carrying out a robbery; and if it is about an accident, it will be the event that causes it to happen.
Your body is like lead - describe the feeling and your thoughts. Where is it?
Both Wenders and Van Allsburg were sure that someone would come with information about Burdick. Detective stories frequently operate on the principle that superficially convincing evidence is ultimately irrelevant. Maybe they can write an alternative conclusion to the missing chameleon?
You should aim to hook the reader into the story with the 'plot hook'.