This document provides details for planning a trailer for a supernatural horror film called "Joseph Knight". It summarizes the plot, which involves a serial killer's spirit possessing a man living in the killer's former house and forcing him to kill one last victim. It then outlines the target audience, genre conventions including unseen threats and tensions, potential actors and filming locations, and props that could be used like objects moving supernaturally. The goal is to create an unsettling trailer that draws in fans of similar supernatural horror films.