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.
2005-09-12
2005-09-13
2005-09-22
2005-09-29
2005-10-06
2005-10-13
2005-10-20
2005-10-27
2005-11-03
2005-11-10
