WriterTahsin Güner
DirectorChristiana Ebohon-Green
Research stateExpanded case file
Spoiler-light premise
MI5 forces Lady Felicia to obtain secret film from a suspected Soviet agent before a sculptor is shot at a charity event.
What to watch for
Felicia and Sid return for a story in which personal loyalty is almost impossible to separate from espionage.
Continuity tags
Conservative catalogue links for recurring stories—not a complete cast list.
Episode order and contributor credits: source record ↗