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Two British-designed desalination plants have exploded as they neared 250 hours of operation and an order for ten plants in the United States now hangs in the balance. Suspecting sabotage, the Bishop assigns Unwin and Matthew to ensure that the last remaining plant, at Port Trennick, stays operational.
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)
