May 24, 2013 Updated: 11:05 PM
A modern, edgy drama full to the brim with passion, politics and peril. MI-5 leads us into the dangerous world of Britain's top-secret security agency, and into the lives of people who must lie, and sometimes die, for a living.
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In the Season 9 opener, Section D tracks a Somalian terrorist who may be moving a load of explosives on a boat from Tangier. Elsewhere, Lucas is visited by a ghost from his past.
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