Kiera crash lands her CPS flyer during a prisoner transport and is forced to work with her enemy captive in order to survive. In present day, the mystery of Kiera’s murder is solved when Alec finds a way to recover the recording of her final moments from her CMR.
When Alicia has a chance encounter with a charming entrepreneur during jury duty, she begins to consider options outside her marriage and seeks the advice of her mother. Meanwhile, Diane’s friends come to her for legal advice when their son is accused of selling drugs on the Internet.
Jane’s freedom is at stake when a grand jury is empanelled to decide if he should be tried for the murder of Red John. Meanwhile, Lisbon tries to find out how Jane feels about the possibility of her leaving Austin with Agent Pike, and Cho and Abbott follow new leads in the human smuggling ring they recently uncovered.
After hitting the road with Felix, Sarah is forced to turn to a ghost from her past — an old flame named Cal Morison. When their brief respite is brutally shattered, Sarah realizes that no matter how far she runs, it will never be far enough.
Business becomes personal for Sherlock when he is forced to partner with his estranged brother, Mycroft, to solve a case with life-or-death consequences.
Clarke and Raven make contact with the Ark, and Abby guides Clarke through a dangerous procedure in a desperate move to save one of their own. Meanwhile, on the Ark, Abby is removed from the council, and former Chancellor Diana Sydney takes her place. Jaha reveals to Abby that there are not enough drop ships for everyone on the Ark to go down to Earth, and Kane begins to deal with his guilt over his recent decision.
Phil cannot handle the stress when he tells Claire an elaborate lie; Gloria is tasked with organizing this year’s family portrait; Jay covertly enters Stella in a dog show.
After Slade threatens to take everything Oliver loves away, Oliver decides the fastest way to stop further bloodshed is to surrender to his enemy. Knowing that surrender will surely lead to Oliver’s death, Diggle and Felicity go to extreme measures to keep Oliver from confronting Slade. Meanwhile, Thea considers leaving town, and Laurel resumes her crusade against Sebastian Blood. Finally, Slade unleashes his assault on Starling City.
Sue frantically tries to earn a college scholarship for when she graduates high school in two years; Frankie hopes to correct a mistake at work without her boss finding out; Brick demands a formal apology from Mike after a misunderstanding.
As Miles, Monroe, Charlie and Connor rush to escape Austin, a confrontation with Texas Rangers separates Miles from the group. While out searching for Miles, Charlie is confronted by Neville who demands information on Jason’s whereabouts. As a wounded Miles faces increasingly hopeless circumstances, Aaron learns that the nanotech has been busy.