Paris provides the setting for Simon's meeting with a lovely woman whose brother is later suspected of murdering an undercover agent.
Steed is trapped in a diabolical game when his five co-members on a wartime tribunal begin to be murdered.
Steed hangs up his stocking, Emma asks for more.
Templar and the niece (Annette Andre) of a research scientist search through a labyrinth of tunnels underneath a mountain in Wales.
Murder is unpleasant at the best of times but when the gaiety of a west Indian holiday turns into a macabre murder enquiry, Simon finds himself dancing to the rhythm of a calypso death march.