The document discusses the opening of the student film "Skylark Grove" and how it establishes conventions of the thriller genre. The opening introduces the title at the end in a way common to thrillers. It establishes the mysterious setting of a normal neighborhood with a strange house. Chloe is introduced as a naive teenage girl who is pressured by friends into investigating the house, where she discovers something frightening. The opening leaves clues but also mysteries or "enigmas" to engage the audience and set up the story of obsession and danger that follows.