


“It's a fine line between safety and terror. Meet the rulers.”
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.
Created By
Simon Crawford Collins, Stephen Garrett, Jane Featherstone
10 Seasons • 86 Episodes Total
6 Episodes • Aired May 2002

Defending their country, deceiving their friends - it's all in a day's work for the agents at MI5, the Security Service. The elite team tackle organised crime, espionage and terrorist activities, as well as the conflicts and power struggles back in the office. There's a car bomb in Liverpool, a siege in the Turkish embassy and the murder of a double agent, not to mention the difficulty of having to lie to loved ones about who you are and what you do.
Episodes
6
First Aired
May 2002