Horror films strive to elicit emotions of fear, disgust, and horror from viewers through frequent jump scenes and depictions of the macabre and supernatural. They often overlap with fantasy, science fiction, and thriller genres. Horror films deal with viewers' nightmares and fears of the unknown. The film Alice, Sweet Alice follows the murder of a young girl at her communion and the investigation into her sister as the prime suspect. It establishes an atmosphere of terror and casts doubt on the true identity of the killer.