Episodes
1. The Secret Adversary, Part One
5.0
July 26, 2015
60 min
Tommy and Tuppence have a chance encounter on a train with an agitated young woman who suddenly disappears and never returns to her seat.
2. The Secret Adversary, Part Two
6.3
August 2, 2015
60 min
Tommy and Tuppence go undercover; he as a member of Brown's gang and she as a maid to a potential suspect.
3. The Secret Adversary, Part Three
6.0
August 9, 2015
60 min
The Beresfords search for Jane Finn comes to a close, as they uncover the identity of Mr. Brown.
Guest Stars:
JD Roth-Round
4. N or M? - Part One
5.5
August 16, 2015
60 min
Tommy is sent on a secret mission to discover the identity of Soviet spy staying at a seaside guest-house; Tuppence refuses to be left behind.
5. N or M? - Part Two
6.0
August 23, 2015
60 min
Tommy and Tuppence turn their attention to their fellow occupants of Sans Souci to find N.
