7.72002–201110 seasonsDrama / Action & Adventure / Crime
“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.
Choose a season and an episode below, or start from the first one.
Streaming and downloads are provided by third-party sources. If one doesn't work, try another source above.
What people who liked it also watched
