Director Eduardo Sanchez speaks with “Breakthrough Entertainment” about his new found-footage thriller “Exists,” in which five friends embark on a weekend of camping in the Texas Big Thicket but visions of a carefree vacation are shattered with an accident on a dark and desolate country road. In the wake of the accident, a bloodcurdling force of nature is unleashed – something not exactly human but not completely animal; an urban legend come to life.