Lucas and Ros make a final attempt to thwart Nightingale's sinister plan.
First broadcast: 23 Dec 2009
Section D discovers Hindu nationalists are planning an attack on the Muslim community.
First broadcast: 11 Dec 2009
Section D must recover a billion pounds from one of the world's most impenetrable banks.
First broadcast: 04 Dec 2009
Section D is caught on the back foot when two CIA agents are found dead.
First broadcast: 27 Nov 2009
Lucas's former torturer Darshavin turns up with intelligence about a bomb in London.
First broadcast: 20 Nov 2009
A secret meeting of powerful tycoons is stormed by terrorists.
First broadcast: 13 Nov 2009
The country reaches crisis point when energy supplies are threatened by an explosion.
First broadcast: 06 Nov 2009
With Harry still missing, there is one question on everyone's mind: Is he dead, or alive?
First broadcast: 04 Nov 2009