"The Haunting of Hill House" is a horror drama series inspired by Shirley Jackson's 1959 novel of the same name. It follows the Crain family, who move into Hill House to renovate it, only to experience terrifying supernatural events. The story alternates between their traumatic experiences in the house and their present-day struggles as adults dealing with the aftermath. Themes of grief, trauma, and the impact of the past are central, with the house itself serving as a metaphor for the family's haunted memories and unresolved issues.

"The Haunting of Hill House" and "The Fall of the House of Usher" are not directly connected but share thematic elements. Both works explore psychological horror and the impact of a haunted house on its inhabitants. "The Haunting of Hill House," based on Shirley Jackson's novel, focuses on a family confronting their traumatic past in a haunted mansion. In contrast, Edgar Allan Poe's "The Fall of the House of Usher" delves into madness, decay, and the bond between siblings in a crumbling estate. Both reflect on the interplay between environment and human psyche.

In "The Haunting of Hill House," Nell Vance, one of the main characters, struggles with severe anxiety and depression, which are exacerbated by her traumatic experiences at Hill House. Throughout the series, she exhibits symptoms of these mental health issues, including feelings of isolation, panic attacks, and emotional instability. Her struggles reflect the impact of her family's history and the haunting experiences they endured, showcasing the intersection of trauma and mental illness.

"The Haunting of Hill House" and "The Haunting of Bly Manor" are both part of the "Haunting" anthology series created by Mike Flanagan, but they are not directly connected in terms of plot. Each series is based on different works of horror literature: "Hill House" is inspired by Shirley Jackson's novel of the same name, while "Bly Manor" draws from Henry James's "The Turn of the Screw" and other stories. However, they share thematic elements, stylistic approaches, and some recurring cast members, creating a loose connection within the anthology.