Only she knows the truth. Only he can tell the world. Vienna, 1946. A brilliant German scientist spirited out of the ruins Nazi Europe in search of a new life. Moscow, 1964. A rising star of the British diplomatic service whose job is not what it seems. London, the present day. A once promising academic offered an opportunity to seal his place in history. Their stories, their lives, and the fate of the world, are bound by a single document: The Scarlet Papers. The devastating secrets contained within teased by a brief invitation: Tomorrow 11AM. Take a cab and pay in cash. Tell no one.

When disgraced spy Solomon Vine's friend and rival Gabriel Wilde vanishes without trace, it's only Vine who might be able to discover what has happened to him. A single missing file holds the key. That, too, is gone. But its contents, Vine is told, are incendiary. There were few Wilde could trust. And being one of them appears to have fatal consequences. But as Vine's off-the-books investigation begins to reveal the shocking truth, he realizes there's much more at stake than one man's life.

A Russian defector is found brutally murdered in a London hotel. Only four people knew he had turned - the four most important and powerful figures in Whitehall. There's only one conclusion - a mole has infiltrated the highest levels of the nation's security. Operating in secret from within Westminster's darkest corners, former spy Solomon Vine must uncover the traitor. Because Britain's future hangs in the balance. And with it the fate of the whole world.

Moscow, 1936. In a deconsecrated church, a young woman is found dead, her mutilated body displayed on the altar for all to see. Captain Alexei Dimitrevich Korolev is asked to investigate. But when he discovers that the victim is an American citizen, the NKVD - the most feared organisation in Russia - becomes involved. Soon, Korolev’s every step is under close scrutiny and one false move will mean exile to the frozen camps of the far north. Committed to uncovering the truth, Korolov enters the realm of the Thieves, who run Moscow’s underworld. 

Officially, the Cold War is over, and the hand of friendship has been exchanged in public. In private, though, the intelligence war continues. A British trawler strays into Russian waters. On its return, the captain has a package for British Intelligence. For the next four years, a high-ranking Russian naval officer provides MI6 with priceless information. But suddenly he goes quiet. Clearly under suspicion, the decision is made to get him out. But his controllers in London know nothing about him.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

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.

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.

DS Rakesh Siyal is an idealist. Frustrated as an Edinburgh human rights lawyer, he joins the police, determined to solve the problems he sees with the criminal justice system from the inside, rather than out. His first day as a cop sees him sent down to Galashiels in the Scottish Borders, where he’s given a simple task – return a suspect to Glasgow to face justice.

July 1940. As Britain braces itself for invasion, ex-Tommy and safecracker Bill O'Hagan is glad to have escaped the battlefield. But when a job goes wrong, he finds himself forced to serve his country once more. Spurned by his government and fearing for his life, the Duke of Windsor flees to Portugal with the woman for whom he abdicated the throne, Wallis Simpson. As a web of Nazi trickery threatens to ensnare him, his fate and the fate of Britain rest on one man. 

London in the 1960s: gang wars, corrupt police, vice and pornography. Ex-boxer Charles Holborne has plenty of opportunities to build his reputation with the criminal classes as a barrister who delivers. But Charles, an East End boy made good, is not all he seems, and his past is snapping at his heels. When his philandering wife has her throat slashed, Holborne finds himself on the wrong side of the law and on the run. Can he discover the truth of the brutal slaying and escape the hangman's noose?

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.

A young meteorologist checking a mountain top weather station in Kinlochleven discovers the body of a missing man entombed in ice. Cameron Brodie, a Glasgow detective, sets out on a hazardous journey to the isolated and ice-bound village. He has his own reasons for wanting to investigate a murder case so far from his beat. Brodie must face up to the ghosts of his past and to a killer determined to bury forever the chilling secret that his investigation threatens to expose.

This collection of stories goes back to Dan “Spider” Shepherd’s SAS days, and the missions that shaped him. From his training in the welsh hills and the jungles of Belize, through to his early missions in Sierra Leone and the Middle East, these nine stories chart his rise through the SAS, and his involvement with the elite Sabre Squadron. Along with his comrades Jimbo, McKay and Geordie, Spider puts his life on the line on active duty…and sows the seeds of his future career.

Marianne is an assassin. One of the best in the business. Except killing isn't her business - it's her way of getting revenge. Revenge that has been a long time coming. But there are dark forces who want to use Marianne for their own ends. Dark forces who will do whatever is necessary to acquire her skills. But what they don't know is that Marianne has a secret. A secret that could be the death of them all.