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 | [ Episode 10 ] Thursday 10th November, 2005
Ruth is asked to procure evidence that Harry was responsible for the assassination of Princess Diana. |  | [ Episode 9 ] Thursday 3rd November, 2005
When Harry takes a stand against the CIA, he gets the sack.
|  | [ Episode 8 ] Thursday 27th October, 2005
The son of a dead Russian spy wants to buy the NHS from the British Government, MI5 try to find out his motives.
|  | [ Episode 7 ] Thursday 20th October, 2005
Fiona plays a dangerous game when she offers to go undercover and liaise with a Syrian diplomat.
|  | [ Episode 6 ] Thursday 13th October, 2005
A terrorist is co-ordinating a bomb attack from the safety of his high-security prison cell, so Harry decides to release him.
|  | [ Episode 5 ] Thursday 6th October, 2005
Harry discovers an old MI5 officer has died in suspicious circumstances.
|  | [ Episode 4 ] Thursday 29th September, 2005
Adam and Zaf infiltrate a truck of illegal immigrants in an attempt to prevent a terrorist attacking the UK.
|  | [ Episode 3 ] Thursday 22nd September, 2005
Racism is growing in Britain and MI5 realise democracy is being threatened when a high-profile MP joins a far-right party. | |  | [ Episode 2 ] Tuesday 13th September, 2005
2/2: Adam and Tash risk their lives in an attempt to save Zaf as the rest of the team race against time to thwart the bombers. | |  | [ Episode 1 ] Monday 12th September, 2005
1/2: A bomb explodes in a London street market, the team have to race against time to stop hundreds of people being killed. | | | | | | | |
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