Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.
2009-11-04
2009-11-06
2009-11-13
2009-11-20
2009-11-27
2009-12-04
2009-12-11
2009-12-23
as Home Secretary
as Sarah Caulfield
as Tariq Masood
as Michael Braydon
as Jack Coleville
as Roger Maynard
as CIA Security Officer
as TV Presenter
as Braydon's Boy
as Braydon's Boy
