: The narrative shifts to London, 1941, exploring a meeting at Flora Solomon’s house. Solomon, a mutual friend, hints at Philby's communist sympathies, but Elliott refuses to spy on his best friend, choosing personal loyalty over professional suspicion.
: MI5 investigator Lily Thomas continues her "hammer-and-tongs" approach to grill Nicholas Elliott about his secret meeting with Philby in Beirut. She remains convinced Elliott is shielding his old friend.
The series is lauded for its grounded, character-driven approach rather than high-octane action.
The episode centers on the strength of that can blind even the most seasoned intelligence officers to deception.