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.
2006-09-17
2006-09-17
2006-09-18
2006-09-25
2006-10-02
2006-10-09
2006-10-16
2006-10-23
2006-10-30
2006-11-13
