1) The document is a screenplay that follows characters Rachel, Aster, and Mel and their interactions with Stan and his friends over the course of a year.
2) Aster meets Billy at one of Stan's parties and they begin spending time together and using drugs. They become increasingly addicted over time.
3) In the final scenes, Billy introduces Aster to injecting heroin. The next morning, Billy wakes up to find that Aster has overdosed and died on the couch next to him.