University lecturer Neil Tannahill is drawn into a sinister conspiracy involving secretly-stored Soviet nuclear waste at a remote British nuclear facility after receiving an enigmatic note from legendary atomic scientist and one-time former head of "Doomwatch" (the infamous Scientific watchdog group of the seventies), Dr Spencer Quist. Written by
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The genuine logo of ITV broadcaster Tyne Tees Television is briefly seen on Ewan McAllister's equipment. See more
The credit "Based on the television series created by Kit Pedler and Gerry Davies" is misspelled: the co-creator's name was Gerry Davis
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