The document discusses conventions used in thriller films to thrill and shock audiences. It provides examples of conventions like false endings that leave cliffhangers, innocent victims who end up killing villains unexpectedly, villains and victims where the villain's identity remains mysterious, escaped convicts who plan elaborate schemes, supernatural elements that terrify by seeming realistically possible, graphic blood and gore, and psychological elements that challenge audiences. Each convention is described along with examples from films that illustrate its purpose and typical use.