4 November 1985
Yorkshire police officer Ronald Craven is returning home with his daughter Emma having picked her up from a meeting of an environmental organization at her university campus. On the doorstep of their home Emma is shot dead. The police concentrate their effort on the theory that her murder was a botched attempt on Craven's life by a criminal he had been responsible for convicting. However, as Craven goes through Emma's belongings, he discovers a Geiger counter and a gun. He also learns that Emma's body and her possessions are radioactive. Travelling to London to assist with the inquiry, he is contacted by Pendleton, a polished official "attached to the Prime Minister's office", who informs him that Emma was known to them as a terrorist and that it was she, not Craven, who was the gunman's target.
11 November 1985
As he continues his investigations, Craven is visited by Emma's ghost. The fingerprints on the getaway car used by Emma's killer match that of Lowe, a man Craven arrested ten years previously. Meanwhile, Pendleton takes Craven to meet his colleague, Harcourt, who informs him that Emma was a member of a subversive anti-nuclear group called GAIA. A team of six GAIA members, led by Emma, had broken into a low level radioactive waste facility at Northmoor; all are now either dead or missing. After Craven makes a televised appeal for information about Emma's killer, he is contacted by CIA agent Darius Jedburgh, an associate of Harcourt and Pendleton. Jedburgh shows Craven the CIA's file on Emma's activities: GAIA had become suspicious of Northmoor when a nearby reservoir had become contaminated with radioactive material, an occurrence that had also alerted the CIA, leading them to believe Northmoor was illegally storing plutonium. Jedburgh is played as a hard-bitten professional with a wry sense of humor and a passion for ballroom dancing. Along with Harcourt and Pendleton, he is keen to find the source and purpose of the plutonium.
18 November 1985
The police close in on their suspect, Lowe, who is severely injured in a fall while trying to escape. Dying, he tells Craven he was working with McCroon, a terrorist Craven had had convicted in Northern Ireland. Emma's boyfriend, Terry Shields, tells Craven that she was investigating a hot cell in Northmoor; he is later killed. Craven meets Harcourt and Pendleton at the House of Commons where an inquiry is taking place into the sale of International Irradiated Fuels (IIF) - Northmoor's owners - to the Fusion Corporation of Kansas, owned by Jerry Grogan. Pendleton tells Craven that he believes Grogan was behind Emma's death. Returning to Yorkshire for Emma's funeral, Craven is refused permission to seek a warrant to enter Northmoor. Returning home, he is observed by McCroon.
25 November 1985
McCroon breaks into Craven's house intent on killing him. Craven demands McCroon tell him who he is working for but McCroon is shot by a police marksman before he can say anything. Through a contact of Mac, a colleague from his time in Northern Ireland, Craven gains access to a terminal connected to the MI5 computer. He checks the MI5 records for GAIA, Northmoor and Emma and learns that McCroon was acting on the orders of Northmoor Security. He also obtains a three-dimensional map of Northmoor from the computer. Craven contacts Jedburgh and asks him to accompany him inside Northmoor.
Season 1, Episode 5: Northmoor2 December 1985
Craven and Jedburgh penetrate Northmoor and discover the hot cell which has been sealed off following an explosion - a consequence of GAIA's attempted break-in. Jedburgh, under orders from the CIA, enters the hot cell and steals the plutonium. At the House of Commons inquiry, IIF chief executive Robert Bennett is forced to admit the presence of plutonium at Northmoor and the deaths of the GAIA team.
Season 1, Episode 6: Fusion9 December 1985
Jedburgh heads to Scotland with the stolen plutonium while Craven awaits the inevitable end.
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