

A British intelligence officer Kate Henderson races against time to uncover a UK politician's potential ties with the Kremlin, risking her reputation and family, as a…
Drama, War & Politics • Series • 2026 • 1 season
Starring: Gemma Arterton, Rafe Spall, Alexander Terentyev
Created by: Tom Bradby

S1 E1 - Episode 1
An MI6 agent learns that there is a Russian asset in the UK Cabinet.
Apr 27, 2026 • 47m

S1 E2 - Episode 2
Kate suspects that her agent is in danger and, defying orders, prepares to rescue her.
Apr 28, 2026 • 48m

S1 E3 - Episode 3
Kate's bold rescue mission in Malta backfires and she draws flak from all sides.
May 3, 2026 • 44m

S1 E4 - Episode 4
The pressure mounts on Kate when the Russians target her family, and Rav follows clues to Geneva.
May 4, 2026 • 45m

S1 E5 - Episode 5
Kate runs Cyclops in an audacious mission inside Moscow Secret Service HQ to finally trap the MI6 mole.
May 5, 2026 • 46m
Secret Service
A British intelligence officer Kate Henderson races against time to uncover a UK politician's potential ties with the Kremlin, risking her reputation and family, as a murder and election loom.
Drama, War & Politics • TV Series • 2026