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.
Mean, gritty, dirty and low, and that's just the policeman Gary Keltie, out for retribution for the horrendous crimes against the helpless people of Edinburgh during the 1970s, by notorious, torturous, and killer, debt collector Nickie Dryden.
Dreaded serial killer Peter Kurten voluntarily turns himself over to the authorities. A young lawyer, eager to prove Kurten's mental derangement, agrees to defend a man who terrorized Germany between 1929 and 1931. In studying the case and meeting with the intelligent, cold-blooded manipulator, the young idealist's values become warped.
