The document discusses elements of the thriller genre that are relevant to the film idea of a stalker causing trouble. It provides examples of similar films involving stalkers, such as Misery and Cape Fear. It also defines the hybrid genre of psychological thriller that the film idea falls into. The document analyzes conventions of the thriller genre including suspense, tension, excitement, protagonists facing death, and mysteries that must be solved. It discusses common thriller characters and how protagonists rely on mental resources to battle antagonists or their own minds in psychological thrillers.