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Aerial photos of a secret experimental World Air Force fighter plane are being offered on the black market, so Father Unwin and Matthew are assigned to determine how the photographer has managed to breach the restricted overhead access to Crayfield airbase. Their investigations lead them to pigeon fancier John Masden, who seems an unlikely candidate for espionage.
First Air Date : Sep 21, 1969
Last Air date : Dec 14, 1969
Episode : 13 Episode
Season : 1 Season
Runtime: 30:14 minutes
Studio: Associated Television
Country: United Kingdom
Crew: Reg Hill (Producer)
