Jack’s family loyalties are put to the test as Graem reveals his full involvement in the terrorist activities. Wayne convenes a meeting of his cabinet to discuss Lennox’s drastic policies, while Sandra tends to an injured Walid. Morris receives some bad news about a relative, and McCarthy sets a trap designed to capture the man who can help Fayed build a new trigger for the nukes.
Hank returns from his trip to find Becca spiraling, but his plan to help her backfires when they go to visit Atticus and meet his current house guest (guest star MARILYN MANSON as himself). Hank has an encounter that puts him in a very awkward position with Karen. Charlie takes Stuart out for the day and has an encounter of his own.
Following up on new leads, Wayne and Roland track down a man who left the police force in the midst of the Purcell investigation. Meanwhile, Amelia visits Lucy Purcell’s best friend in hopes of gaining insights into the whereabouts of the mysterious one-eyed man.
Frank helps Peter get ready for his governor race, but Peter is starting to have second thoughts. Doug tries to help a young hooker in trouble.
Quinn falls back into his old ways as he makes some questionable choices to protect Nadia. Things heat up as Dexter and Hannah grow closer, but when Sal Price discovers the two are involved, he wants the exclusive story.
Dexter hunts down Hannah to figure out why she’s back in Miami. Dexter also takes on a protégé and starts teaching him the Code.
The police identify the Ice Truck Killer. However Dexter feels there is something wrong with the suspect. Dexter must also deal with Paul, Rita’s recently paroled husband.
Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when he’s buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission.
Jack has the Others in a desperate situation as he holds Ben’s life in his hands. Meanwhile, Kate and Sawyer try to escape from their captors. Flashbacks reveal Juliet’s past as a medical researcher in Miami.
Desna learns that vengeance comes at a high cost when she plots revenge on those who betrayed her; Jenn struggles to keep her feelings in check, leading her and Bryce to make a big decision that could change everything.
