A spiritualist medium holds a seance for a writer suffering from writers block but accidentally summons the spirit of his deceased first wife which leads to an increasingly complex love…

When a hacker interferes with air support causing a British missile to hit American forces, Porter is assigned the mission to find the man responsible, a former guidance engineer who…

Lucas is plunged further into the depths of his past when Vaughn takes his manipulations to a new level. Ruth is approached and followed by an imbalanced council snooper who…

The team faces their toughest challenge ever: tracking down Lucas North, their Section Chief, friend and one of the best agents MI5 has ever had. Harry decides the team are…

With the country on the verge of bankruptcy, the government can’t pay its national debt payments. Section D is asked to get back more than a billion pounds of illegal…

After a Pakistani intelligence officer is murdered in South London, the head of the Pakistani intelligence service talks to Harry and Ros. They learn that there is a planned attack…

The British economy is on the brink of collapse and if one more bank goes down the entire financial system will implode. Ros goes undercover in the City to flush…

A teenage boy accidentally stumbles upon a government conspiracy and is instantly absorbed into the world of MI5, ending up on the run. Lucas and the team battle to protect…