Piper is challenged by her Soso experience; Morello gets her heart broken; a figure from Taystee’s past arrives to disturb the status quo.

Sophia gives the women a much-needed lesson in female anatomy; Morello takes a detour; Larry makes some life changes.

Clarke and Finn escape one dangerous situation only to find themselves faced with a new enemy. Bellamy makes a heroic move to save Jasper. Raven faces a new danger, and Murphy finally gets his revenge. Meanwhile, those remaining on the Ark are coming to terms with the inevitable.

As the smoke clears after the devastating events of the first five hours, tensions between President Heller and Prime Minister Davies boil over, and one of them decides to take matters into his own hands. In the meantime, Jack proposes a plan to locate Margot by using someone unexpected as his unsuspecting bait. Back at the CIA in London, Jordan raises suspicions about Kate’s husband.

Unexpected visitors arrive in Mole’s Town. Sam questions his decision regarding Gilly. Littlefinger’s motives are questioned. Sansa is interrogated by Lord Royce. Arya and The Hound arrive at the Bloody Gate. Ramsay tries to prove himself to his father. Tyrion’s fate is decided.

Kiera’s relationship with the Freelancers is pushed to the limit as she forges a deeper connection with the mysterious John Doe. Alec crosses the rubicon to protect his legacy. Kiera makes a shocking discovery.

When a rehab confidante betrays Alison and threatens to expose the truth about Aynsley’s death, she goes into free fall on the eve of Family Day. With Donnie and the kids set to visit, it’s all clones on deck to contain the fallout.

With a low food supply at camp, Clarke and Finn lead a group out to hunt for food and wind up in a compromising position. With Finn’s life in danger, Clarke makes a game-changing decision. Meanwhile, Raven makes Bellamy an offer he can’t refuse. On the Ark – Kane risks his life and is reunited with Chancellor Jaha and Abby.

As Jack deals with unforeseen circumstances, an unlikely duo joins forces to prevent an impending attack in London. Meanwhile, homegrown terrorist Margot Al-Harazi reveals her demands – revenge for her husband’s death in a U.S. airstrike. Also, President Heller orders a lockdown of military airspace, but it may be too late.

Kiera and Carlos, reeling from a shocking loss, hunt down a ring of enigmatic high-tech thieves, even as a handsome, yet distant amnesiac begs for help in discovering his identity.