Bostonians Ben and Vivien Harmon and their teen daughter, Violet, move into a haunted LA. mansion in the series premiere of a unhappy, erotically charged horror story about a troubled family.
Vivien and Violet find themselves in a dangerous situation; Ben goes back to Boston to fix a mistake.
Vivien learns about the house's first residents; Ben's visitor causes him to further unravel; Constance and Moira's history is revealed.
The spirits of the Murder House become ever stronger, blurring the line between life and death. Meanwhile, the house's former residents offer some tips on decorating for Halloween to the Harmons.
On Halloween, the night when the dead are free to mingle with the living, Tate confronts visions of his past, Ben and Vivien deal with their unexpected visitor, Chad takes out his frustrations on the Harmons\' Halloween decorations, and Constance mourns Adelaide\'s death.
Ben gets a new patient obsessed with an urban myth and tries to help him overcome his fear. Meanwhile, Vivien confronts the ultrasound technician who fainted at the sight of her unborn child, and Violet learns what Tate did in 1994.
Moira schemes to have a buyer dig up the yard and free her from her bondage to the Murder House. Meanwhile, Vivien receives startling news about her pregnancy while Ben discovers the truth about Larry.
Hayden conspires with Tate and Nora to drive Vivien insane and take the unborn twins for herself. Meanwhile, Violet must choose whether to support her mother or not, while the full story of the deaths of Chad and Patrick, and the origin of Rubber Man, are revealed.
The Murder House's most famous victim makes her entrance. Meanwhile, Hayden's sister comes looking for her, Ben receives a surprise when he learns the father of Vivien's babies, and Constance offers her support to Vivien.
While Ben accepts that Vivien was telling the truth about the rapist, Violet learns some truths about Tate and herself. Meanwhile, the police suspect Constance in the "Boy Dahlia" case, and Larry must choose between love and freedom.
Chad and Patrick prepare to have one of their twins, unaware that Nora and Hayden have claimed them for their own. Meanwhile, Ben tries to take Violet out of the house to see her mother, while Vivien gives birth.
Ben plans to commit suicide, but Vivien's ghost encourages him to get out of the house. However, he is killed by Hayden. The Harmons and other "innocent" ghosts scare future tenants away. The Harmons decorate the house for Christmas.