Space Play/Pause · K Stop · J −5s · L +5s
Episodes
1. The Secret Adversary, Part One1h
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 Two1h
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 Three1h
The Beresfords search for Jane Finn comes to a close, as they uncover the identity of Mr. Brown.
4. N or M? - Part One1h
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 Two1h
Tommy and Tuppence turn their attention to their fellow occupants of Sans Souci to find N.
6. N or M? - Part Three1h
Tommy has finally found the missing scientist, but they're both being held against their will by M, and still none the wiser as to who N is.