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Senior civil servants, MPs, and intelligence personnel are all dying suddenly of ""natural causes,"" and there seems to be no obvious link. The only lead is the mortally-wounded agent who talks of angels of death that kill from within.
First Air Date : Oct 22, 1976
Last Air date : Dec 17, 1977
Episode : 26 Episode
Season : 2 Season
Runtime: 50 minutes
Studio: ITV1
Country:
Crew:
