A has-been character actor attempts to complete a movie honoring his deceased wife, when divine intervention leads him to a free-spirited actress who just might be his perfect leading lady.

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.