Characters run the story. Protagonist: The main character the audience roots for. Antagonist: Keeps the protagonist from accomplishing their ultimate goal.Influencing Character: A friend that helps the protagonist achieve their ultimate goal.
Plot
Three acts.
Act 1: Establishes the world we are in. Get your audience engaged. Act 2: The story takes place - there is a pursuit of the goal. Act 3: The protagonist & antagonist come head to head. Tie up the story with a resolution.