Terrifying evils blur the boundaries between reality and insanity at the Briarcliff Manor.
After meeting with a new patient, Bianca, Ben receives a call from his ex-mistress, Hayden, who tells him she's pregnant and needs his support for an abortion. Ben lies to Vivien to resolve his past. A trio of serial killer enthusiasts led by Bianca break into the house to re-enact the brutal murders of two nursing students that occurred in the house in 1968. Vivien and Violet are the intended victims, but they escape their captors, who become lost in the house. Tate and the ghosts of the house
A violent storm allows a group of patients to plan a daring escape; Sister Jude is haunted by her past.
A new patient exposes Arden's past; Kit learns why Grace was admitted to Briarcliff.
Sister Jude employs a renowned Nazi hunter to gather evidence against Arden; Kit makes a surprising confession; Bloody Face is unmasked.
A mysterious little girl is abandoned at Briarcliff; the Monsignor makes a Faustian pact with Dr. Arden; the origin of Bloody Face is revealed.
Sister Mary Eunice is terrified to discover a dark angel at Briarcliff; Kit makes a bold move to be reunited with Grace.
A murderous Santa wreaks havoc on Briarcliff; Sister Jude faces off with the devil; Arden has a shocking encounter in the death chute.
The Monsignor takes an unlikely convert under his wing; Lana secures a new piece of evidence that can exonerate Kit; Dr. Arden witnesses a miraculous return.
The Monsignor confronts the Devil. Dr. Arden's experiments reach a shocking conclusion. Dr. Thredson facilitates a surprising reunion for Kit.
Grace tells Kit devastating news about the aliens' experiments on Alma; Dr. Thredson receives an unexpected visitor; the Monsignor goes to extreme lengths to silence Jude.
A deadly new inmate threatens Sister Jude's chance of release; Grace's obsession with the aliens turns violent.
Johnny sets out to complete his father's work; Lana leads the charge to finally shut down Briarcliff.