The document outlines an opening for a thriller film. It establishes that the thriller will involve crime, murder, and a stalker who becomes obsessed with protecting their friend. The opening scene depicts the stalker committing their first murder in a dark and gloomy atmosphere. This initial murder sets the stage for the lengths the stalker will go to and their powerful motivation to protect their friend, though it only reveals part of the backstory. The purpose is to hook the audience with questions about the stalker's motives and relationship with their target.