Daniel Miller arrives at the CIA station in Berlin, Germany. His mission is to uncover a mole. Suspect Everyone, Trust no one.

As Daniel pursues Shaw, Station Chief Steven Frost and his associates Valerie Edwards and Robert Kirsch gather intelligence on a Georgian Islamic radical in order to avoid an extraordinary rendition by Langley. By episode's end, Hector surprises us all. Written by AnonymousB

Frost and Robert worry that their incriminating secrets will be unearthed when Langley investigators sweep Berlin Station to ferret out fodder for future Shaw leaks. Meanwhile, Daniel's Shaw hunt becomes compromised when Hector bugs his phone, and the station's surveillance of Aleksandre Iosava turns up bad behavior by one of Valerie's agents.

Daniel embarks on a dangerous operation that brings up difficult memories of his first posting in Chechnya and the beginning of his friendship with Hector. Steven Frost finds a way to position himself for promotion at the cost of his deputy Robert. Valerie makes a discovery in her investigation into the Georgian radical Aleksandre Iosava.

Both American and German interests align when the Station learns the subject of Shaw's next leak: Chinese defector Houjin Lin. Daniel is teamed with Esther Krug to secret Lin out of the country before the leak breaks, pre-emptively countering Shaw's attack. Hector gets a late-night visit from Julian De Vos, a.k.a Shirley Pimple, Written by AC

Valerie's investigation into Aleksandre and Ruth Iosava comes to a head in a German/American sting Operation involving Clare Itani, a CIA Officer and Hector's lover. Langley's unannounced participation moves things from bad to worse.

On the air on November 27, 2016: In the wake of the botched Iosava Op and Clare Itani's kidnapping, Frost pursues traditional negotiation channels to secure Clare's release. Hector goes rogue, bringing Daniel with him--unknowingly paving the way for Daniel's moment of clarity. Written by AC

The CIA tries to cover its tracks after mission with Claire.

The plot heats up with the exposure of the Station chief, with the various players jostling for position in the ensuing mess , with flashbacks of Hector and Julian's past as the story is filled out neatly ready for an interesting finale.

Berlin Station's staff pieces together evidence illuminating Langley¹s role in Iosava's rendition. The truth comes into focus, and the Shaw mantle is passed. Richard Armitage, Richard Jenkins, Michelle Forbes, Rhys Ifans, Leland Orser.