The series follows the defection of notorious British intelligence officer and KGB double agent, Kim Philby, through the lens of his complex relationship with MI6 colleague and close friend, Nicholas Elliott.
The show examines espionage through their friendship, the fallout of which affects East-West relations to this day.
A Spy Among Friends Ended after Season 1
ITVX aired the final episode on Tuesday 13th December 2022
A Spy Among Friends Series Guide