
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.

2003-06-02

2003-06-09

2003-06-16

2003-06-23

2003-07-07

2003-07-14

2003-07-21

2003-07-28

2003-08-04

2003-08-11

as Ruth Evershed

as Malcolm Wynn-Jones

as Maxi Baxter

as Amanda Roke

as Sir Richard 'Dickie' Bowman

as Tim Prachett

as Viktor Schvitkoy

as Carlo Franceschini

as Christine Dale

as Phil

as Sir John Barry

as Jack Brampton