As the hunt continues for Jack Bauer, the terror threat is intensifying, much to the chagrin of the CIA and Kate Morgan. Across town, President James Heller prepares to address Parliament in an attempt to heal recent wounds with the British, and to preserve his legacy. Meanwhile, Margot – a homegrown British terrorist seeking to avenge her husband’s death – proves she is willing to make any sacrifice for her mission.
Valda tries to move the warehouse to China and use Claudia’s comatose sister as a puppet caretaker.
Tyrion faces his father in the throne room. Stannis and Davos put their faith in a new strategy. Daenerys’ sphere of influence expands.
Kiera confronts uncomfortable truths while paired on an investigation with Dillon. Julian puts himself in the spotlight by exposing a corporation’s dirty deeds. Alec deals with the pressures of his new role at Piron and an uncomfortable secret revealed by Carlos.
Alicia manages the fallout when her client’s insensitive statements to the press threaten the fate of a multi-billion dollar merger. Meanwhile, Diane faces a potential conflict of interest when she and Louis Canning are on opposite sides of a class action suit involving a pharmaceutical company. Also, Eli learns the truth about Alicia and Peter’s relationship.
With time running out to save the victims of a kidnapping ring before they are transported overseas, Jane and Lisbon zero in on the criminal enterprise’s mastermind. Meanwhile, Lisbon decides if she will move to D.C. with Agent Pike.
Sarah comes home looking for answers, and with the help of Cosima, they begin digging into the origins of the clone experiment. The hunt for answers takes her right into the belly of the beast, but getting out could cost her more than she knows.
Holmes and Watson come into contact with MI-6, the British intelligence agency, when a standard murder investigation turns out to have international and political implications. Meanwhile, in the wake of a crisis, Watson reevaluates her relationships with Sherlock and his brother, Mycroft.
Clarke and Bellamy go on a mission to find supplies for approaching winter. Some of the 100 accidentally eat nuts with powerfully hallucinogenic properties and lose their grasp on reality. Meanwhile, Octavia seizes the opportunity to help a friend escape, and a terrifying event brings Clarke and Bellamy closer. On the Ark, Commander Shumway secretly assigns one of the 100 to kill one of his own, and the treacherous actions of Diane Sydney are revealed.
Jay, Gloria and Manny challenge one another to try something new; Mitch and Cam sell a couple of their prized possessions to fund the wedding; the kids play a joke on Phil and Claire.