Steed is trapped in a diabolical game when his five co-members on a wartime tribunal begin to be murdered.
After his two-year absence, a scientist's ramblings indicate he was in a concentration camp.
Simon must match wits with a top London criminal after a date with a beautiful actress.
Simon joins forces with, his old adversary, Inspector Teal to stop the crime of the century.
Arriving on Tara, Romana locates the fourth segment of the Key to Time with ease, but is captured by the scheming Count Grendel who wants the throne of Tara for himself.