Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: What sort of women does the serial killer murder? Movie plot title: The Spiral Staircase Movie plot: The film centers around Helen Capel (Nicollette Sheridan), a pathologically mute woman who is being stalked by a vicious killer. Mute since the death of her parents when she was a child, Helen accepts a nursing position on a secluded island in the household of wealthy matriarch Emma Warren (Holland Taylor). Helen learns that a serial killer is picking off "imperfect" young girls around town, and she fears she is next. A terrible storm hits the island one night and the family and Helen are trapped inside... and they're not alone, the killer is with them in the shadows.
The answer is:
Disabled young women