FBI-agent-turned-bricklayer Steve Vail once helped the FBI solve a brilliant extortion plot. It was supposed to be a one-and-done deal. But when he's in Washington, D.C., to see Kate Bannon—an FBI assistant director—on what he thinks will be a romantic New Year's Eve date, suddenly things get complicated. The FBI has another unsolvable problem, and it has Vail's name written all over it. A man known as Calculus, an officer at the Russian embassy,...

"On the same evening that a body is found in Picketsville's urgent care clinic, a mysterious break-in occurs at the house of one of Callend University's faculty. Sheriff Ike Schwartz thinks both events might be connected to an icon, The Virgin of Tenderness, in the faculty member's possession. Is the victim somehow connected to the university? And why did he enter the country under an assumed name? Then, what appears to be outdated spycraft--a microdot--is...

The smoking remains of a car belonging to sheriff Ike Schwartz are found just outside Picketsville, Virginia. Since leaving the CIA, the sheriff has made many enemies at home and abroad. Is this a cop killing, or domestic terrorism? While the Picketsville sheriff's department mounts a manhunt for the responsible party, Ike's old CIA colleague, Charlie Garland, who has been monitoring Ike's life, joins the hunt.

The threat to national security increases and the need to thwart the activities of terrorists operating within the UK becomes more urgent.

The group was left reeling after the shocking death of Danny at the hands of hostage-takers as the last season concluded. Now Adam, Harry, Ruth, Fiona and rising star Zafar set out to become even stronger in their battle to safeguard the nation.