Julia and Big Jim go to blow up the cave when they learn that the crystals are the key to Christine's plan. Meanwhile, Norrie and Joe try to free Carolyn from the Kinship's influence, and Barbie and Eva bond.moreless
While Marston forces Big Jim to try to find out what Christine has planned, Carolyn recruits Norrie to x-ray Hunter while Junior forces Joe to work for the Kinship.
The team members desperately search the city when they learn that someone from their past is targeting one of their own. Meanwhile, operational psychologist Nate Getz visits Nell to help her through a traumatic experience.moreless
Hetty receives some shocking news from NCIS director Leon Vance while she is investigated by the Department of Justice in Washington, D.C. Meanwhile, Nell goes undercover as Hetty to protect a fellow team member.moreless
The team discover that one of their own is compromised when they investigate the murder of a Navy contractor who was involved in illegal transactions involving confidential data. Meanwhile, Hetty is placed under investigation in Washington, D.C., and representatives from the Department of Justice arrive in Los Angeles to investigate the team.moreless
As the Dome collapses, Joe, Norrie, and Hunter find a way out. Meanwhile, Big Jim loses someone close to him and tries to make a deal with the Dome.
Julia takes over as the new leader of Chester's Mill, after the town becomes divided over Big Jim and Rebecca's population-control plan. Meanwhile, Joe and Norrie help Melanie search for clues about her identity at the dome wall.moreless
Before Big Jim can execute Barbie in the town square, an electromagnetic pulse fells many of the townspeople. Meanwhile, Julia rescues a woman who falls into the lake out of nowhere, and Big Jim receives two visitors who try to convince him to see the error of his ways.moreless
When a veteran tries being Robin Hood to get that adrenaline rush she experienced at war, Molly must use an unusual method to catch the hard to find suspect. Dan gets a subpoena to testify for Jake at the divorce hearing and Becca thinks Billy might be engaged in an affair.moreless
While Big Jim convinces the townspeople to hunt Barbie down for his alleged crimes, Joe and Norrie move the mini-Dome
While Harriet goes into labor, Joe and Norrie investigate the source of the Dome in an attempt to save themselves and their fellow townspeople.
When the townspeople realize that their food and water are running out, they begin looting Chester's Mill for whatever remaining supplies that they can find.
Barbie receives word from the outside that the government is drawing their men back as the Dome interferes with magnetic fields.
When Chester's Mill is stricken by a meningitis outbreak, the townspeople panic when the clinic runs out of medicine and the Dome prevents anyone from bringing in new vaccine. Meanwhile, Julia learns the secret that Peter was hiding from her, and Junior is left in charge.moreless
Joe ends up holding a party at his home where the town's teenagers gather to enjoy one of the few generators in town after the power goes out. Meanwhile, Barbie and Big Jim search for Paul after he escapes custody, and Junior looks for a way out of Chester's Mill.moreless
As the reality of their situation settles in, the townspeople's tempers start to fray. Meanwhile, Big Jim sends Reverend Coggins to remove the evidence from Duke's house, and Junior stalks Barbie.
While working with Jeff to find a way to blackmail Sakelik into helping them, Skye takes time out to meet with her mother. Meanwhile, Stuart tries to draw Roger closer to him by inviting him to a weekend getaway. On the show, Kelly must strike a devil's bargain with Billy to get Meadow back.moreless
The townspeople of Chester's Mill discover themselves unexpectedly cut off from the outside world when an invisible dome springs up around the town, sealing them in... with limited food, water, air, and medicine.moreless
E.J. finds out Detective Sakelik's history where she spent time in a house for abandoned children, and Jeff and Skye check the place out. Meanwhile, Stuart continues befriending Roger. On the show, Kelly finds a vital clue to her missing sister's location that connects Billy to the abduction.moreless
As Skye slowly dies from the hallucinogenic slipped to her at the Cult party, Jeff searches for a sample of the drug and suspects that Detective Sakelik has the answers he seeks. Meanwhile, Skye confronts hallucinations of the Cult characters and her missing father, who try to convince her to stop her investigation.moreless
Jeff and Skye attend a Cult fan party to track down a friend of Nate's. However, Skye is slipped a hallucinogenic in a drink, a drug similar to one on the TV series. Meanwhile, Roger meets a mysterious stranger, Stuart at the same party. On the TV show, a flashback explores how Billy and Kelly married.moreless
Jeff and Skye meet with Alma, a woman with a missing husband. Alma puts them into contact with a man who specializes in tracking down and deprogramming cult members and returning them to their families. Meanwhile, E.J. comes up with information on Nate's location, and on the TV show, Kelly encounters her own deprogrammer... at Billy's compound.moreless
Jeff tries to track down his brother Nate, while Skye confesses to her fascination with Steven Rae. However, she finds herself up against a dead-end when her associate producer doesn't believer her claim that Cult fans are seeking out hidden messages in the show. Meanwhile, on the program itself, Kelly and Paz get a message from Billy.moreless
Investigative journalist Jeff Sefton doesn't pay attention to his younger brother Nate's obsessions and especially his latest one about a TV show that plans to hurt him. However, his disappearance makes Jeff take him seriously and leads him to the dark world of the TV series Cult. Its obsessive fans believe that the show's fictional cult leader, Billy Grimm, holds the keys to enlightenment. As things in the show come true in real life, Jeff enlists Skye, a young research assistant on the show, to help him.moreless
Horatio and his team must find out what why someone murdered a pageant mom in her bedroom, with what looks to be her child in the other room.