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.
A detective team apply new techniques to old crimes as they solve cold cases.
A girl who desires a woman decides to take matters into her own hands after being beaten up.... ....Only she didn't reckon on the outcome.
