This document provides a detailed summary and analysis of the movie trailer for "Ouija: The Origin of Evil." It describes the key plot elements, characters, filming techniques, and conventions used in the trailer to establish it as a horror/thriller film. Specifically, it focuses on how the trailer depicts the possession of a young girl by an evil spirit and her family's efforts to save her using supernatural means. The analysis highlights the trailer's use of music, lighting, editing and other cinematic elements to build tension and scare the audience.