Renowned author Kit Carradine is approached by an MI6 officer with a seemingly straightforward assignment: to track down a mysterious woman hiding somewhere in the exotic, perilous city of Marrakesh. Lara Bartok is a leading figure in Resurrection, a violent revolutionary movement whose brutal attacks on prominent right-wing public figures have spread hatred and violence across the world. Caught between increasingly dangerous forces who want Bartok dead, Carradine soon faces an awful choice: to abandon this brilliant, beautiful and profoundly complex woman to her fate, or to risk everything trying to save her.

Thomas Kell thought he was done with spying. A former MI6 officer, he devoted his life to the Service, but it has left him with nothing but grief and a simmering anger against the Kremlin. Then Kell is offered an unexpected chance at revenge. Taking the law into his own hands, he embarks on a mission to recruit a top Russian spy who is in possession of a terrifying secret. As Kell tracks his man from Moscow to London, he finds himself in a high-stakes game of cat and mouse, in which it becomes increasingly difficult to know who is playing whom. As the mission reaches its boiling point, the threat of a catastrophic terrorist attack looms over Britain. Kell is faced with an impossible choice: loyalty to MI6, or to his own conscience?

Christopher Keen, once a master spy, is murdered in cold blood. His sons Mark and Benjamin, though they hadn't seen their father for over 20 years, are now drawn into the legacy of his life as a spy as they set out to discover the truth and avenge their father's death. But as their search proceeds, more questions arise. Is Christopher's death connected to his past life in MI6? Was his eldest son involved in a conspiracy that links him to Moscow, Afghanistan and the Russian mafia?

A top-ranking Iranian military official is killed while trying to defect to the West. An investigative journalist is imprisoned for writing an article critical of the Turkish government. An Iranian nuclear scientist is assassinated on the streets of Tehran. Then Paul Wallinger, MI6’s most senior agent in Turkey, dies in a puzzling plane crash. Fearing the worst, MI6 bypasses the usual protocol and brings disgraced agent Tom Kell in from the cold to investigate. Kell soon discovers what Wallinger already had begun to suspect --- that there’s a mole somewhere in the Western intelligence.

On the vacation of a lifetime in Egypt, an elderly French couple are brutally murdered. Days later, a meticulously-planned kidnapping takes place on the streets of Paris. Amelia Levene, the first female Chief of MI6, has disappeared without a trace, six weeks before she is due to take over as the most influential spy in Europe. Desperate not only to find her, but to keep her disappearance a secret, Britain’s top intelligence agents turn to one of their own: disgraced MI6 officer Thomas Kell.

London, 1992. Late one night, 76-year-old Edward Crane is declared dead at a London hospital. An obituary describes him only as a “resourceful career diplomat.” But Crane was much more than that --- and the circumstances surrounding his death are far from what they seem.