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.

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.

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 a leak is traced back to a small sub-section of SIS, it sparks off security checks, tensions and suspicions - the sort of atmosphere where mistakes could be made. This novel opens up the lonely, isolated, neurotic world of the Secret Service.

DCI Harry Taylor has no respect for red tape or political reputations - but he's great at catching criminals. And all his unorthodox skills will be needed as an extraordinary situation unfolds on his doorstep: a metal box of radioactive material is found at a dump in Stepney, East London, but before the police can arrive it is stolen in a violent raid. With security agencies across the world on red alert, it's Harry and his unconventional team from the Met who must hit the streets in search of a lead. They soon have two wildly different suspects.