Blair struggles with grief after her best friend Abigail is murdered. Unsatisfied with the police investigation, Blair takes it upon herself to find Abigail's killer. The document discusses conventions of the psychological thriller genre that were incorporated into the trailer, including urban settings, low lighting, quick editing, and iconography involving shadows, mirrors and water. Costume and makeup were used to show Blair's deterioration as she loses grip on her sanity while searching for answers.