Emma McMorrow

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.

An investigative Journalist thinks she's found a killer, and breaks into his place to find the evidence. Only when he come's back it becomes a game of cat and mouse with deadly consequences.