CIA analyst Daniel Miller arrives at the agency's headquarters in Berlin on a clandestine mission to uncover the identity of a whistle-blower spilling dangerous secrets.
G
Contains Flashing Images, Strong Language and Violence
CIA analyst Daniel Miller arrives in Berlin on a clandestine mission.
Valerie and Robert track a supposedly 'reformed' Georgian Islamic radical.
Frost and Robert worry about their secrets when investigators sweep Berlin Station.
Daniel and Hector embark on a risky operation to trace the source of the leaks
Daniel and Esther Krug team up when Shaw's next leak is Chinese defector Houjin Lin.
Valerie's investigation into Aleksandre and Ruth comes to a head.
After Clare's kidnapping, the agents do everything they can to get her back.
Daniel has a shocking realisation, and Robert steps in as temporary Chief of Station.
Glimpses of Hector's past are revealed as he and Daniel rush to save Patricia.
Daniel and the team piece together evidence to uncover the truth.
