Teenage Elvira has an unhealthy obsession with her widowed father, a penchant for gothic literature, an indifference to her younger sister's night-fears of ghostly cats and whispering witches, disdain for everybody else, an eating disorder, and darkening fantasies about dispatching her father's new girlfriend.
Elvira's an unreliable first-person narrator, and gradually Rendell peels away the layers of delusion to reveal... 🖤
CWs in comments.