Frank has to choose between his son or the reputation of the police force after Danny is charged with using excessive force. After bringing a homeless man to the hospital, Eddie gets jealous when Jamie hits it off with one of the doctors.moreless
The Graysons try to protect their own, as suspicion grows about the shooting of Emily Thorne.
Julia proposes to Richard much to his delight, prompting him to ask Nucky for work. Narcisse beats Maitland for her failure.
While visiting Tampa, Nucky finds himself attracted to a local bar owner. Willie tries to pinch some alcohol from Mickey's warehouse, and Richard's sister comes to his aid.
The squad is pulled into a city-wide investigation of sniper attacks against police when a lead links Fin to the case. Lt. Eames adds her expertise as they scramble to identify the suspect from Fin's time in Narcotics.moreless
Lana receives startling news from Mary Eunice. Meanwhile, Arden sets out to learn what happened to Grace and Monsignor Howard takes on a true believer.
While a killer Santa stalks the sanitarium, Sister Jude battles Satan himself and Arden enters the Death Chute.
While Kit tries to reunite with Grace, Mary Eunice discovers that a dark force has invaded Briarcliff.
Bloody Mask's identity is revealed after Kit makes a confession. Meanwhile, Sister Jude learns about Arden's past and brings in a Nazi hunter to get the proof she needs to deal with the doctor and the threat he poses to her control.moreless
While Kit learns the real reason that Grace is in Briarcliff, Arden must cope with a patient who claims to be Anne Frank... and can reveal his twisted past.
Kit, Grace, and Shelley plan to use a storm as a distraction to escape. Meanwhile, Sister Jude faces a ghost from her past and Arden begins to lose his nerve, while Lana finds an ally in Dr. Thredson.moreless
The staff summon an exorcist to deal with a possessed farm boy, while Sister Jude's dark past is revealed and Lana and Grace plan an escape.
While doing some investigative work at a New York mansion, a prominent ghost hunter is murdered. Castle and Beckett must figure out if paranormal activities are to blame.