This document summarizes and reviews 5 horror thriller films: Nightmare on Elm Street, Drag Me to Hell, The Orphan, Devil, and Insidious. For each film, it discusses key plot points and what aspects made each film scary. It notes that Nightmare on Elm Street and Drag Me to Hell feature main characters seeking revenge, while The Orphan and Insidious involve possessed children. It also points out similarities between Devil and Drag Me to Hell in having evil old women as main characters. Overall, the document analyzes and compares these 5 horror films.