Alex Reeve - known as OPERATIVE 66 - is a former special-ops soldier and one of the UK's most lethal weapons. Previously a member of SC9, an elite covert unit with a remit to assassinate the country's enemies, Reeve was framed for treason and now lives a nomadic existence - as the merciless killers he once trained alongside hunt him down. For a chance of a normal life, Reeve must expose and dismantle the sinister SC9. So when a series of brutal killings in Germany have all the hallmarks of an SC9 tactic.

In the dead of winter, an EMP attack destroys the U.S. power grid. No electricity. No cars or phones. The country is plunged into instant chaos. But for Hannah Sheridan, it's the best day of her life. For the last five years, she's been the captive of a sadistic psychopath—until the EMP releases the lock of her prison.

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

Former special ops soldier Alex Reeve is Operative 66. One of the UK's deadliest weapons, he is part of the mysterious C6 - an elite and top-secret security service with a remit to neutralise the country's most dangerous enemies. But now Reeve is in the firing line. Framed as a traitor, Reeve is forced to flee as every operative is instructed to kill the 'rogue asset'. On the run from his own government, alone and under the radar, Reeve must survive off grid with fearsome assassins on his trail. He doesn't know why he's a target. Or who betrayed him.

Pulled off an undercover assignment, Widow returns home to a small town in Mississippi - a place he tried to forget. Taken to be a worthless drifter by the locals, Widow uses his skills to uncover the truth about his mother's last investigation. What was she looking for? What he discovers is an unsolved mystery of missing girls and townspeople harboring a deadly secret - a secret they'll die to protect.