based on novel or book, staircase, childhood trauma, violence against women, half-brother, stepson, mute, serial killer, killer, old dark house, gothic, spiral staircase, speech impediment, bedridden, stormy night, pair of evil eyes, physical disability, proto-slasher, speech impaired, spree killer, mute servant, traumatized woman, imperfection, horror noir, lost voice, target the handicapped,