When a Russian intelligence officer insists on speaking to no one but her about cyber sabotage that has brought down a U.S. communications satellite, MI5 agent Liz Carlyle learns of a plot to hack into the West's military and reignite the Cold War.

In 1940, eighteen-year old Juliet Armstrong is reluctantly recruited into the world of espionage. Sent to an obscure department of MI5 tasked with monitoring the comings and goings of British Fascist sympathizers, she discovers the work to be by turns both tedious and terrifying. But after the war has ended, she presumes the events of those years have been relegated to the past forever. Ten years later, now a radio producer at the BBC, Juliet is unexpectedly...

"In London's MI5 headquarters a scandal is brewing that could disgrace the entire intelligence community. The Downing Street superforecaster-a specialist who advises the Prime Minister's office on how policy is likely to be received by the electorate-has disappeared without a trace. Claude Whelan, who was once head of MI5, has been tasked with tracking her down. But the trail leads him straight back to Regent's Park itself, with First Desk Diana Taverner...

Still reeling from the loss of her boyfriend in a botched anti-terrorist operation, Liz Carlyle has been posted to MI5's counter-espionage desk, where she's hoping to have relative security to find her feet. However, Russia's incursions into the Crimea and President Putin's determination to silence those who oppose him, wherever they may be, quash that hope. Liz soon finds herself on the hunt for a Russian spy in Britain. And with MI5 and MI6 under...

1993: Student Lachlan Kite is sent to post-Soviet Russia in the guise of a language teacher. In reality, top secret intelligence agency BOX 88 has ordered Kite to extract a chemical weapons scientist before his groundbreaking research falls into the wrong hands. Kite's mission soon goes wrong, and he is left stranded in a hostile city with a former KGB officer on his trail. 2020: Now the director of BOX 88 operations in the UK, Kite discovers he has...

"Two years ago, a hostile Prime Minister launched the Monochrome inquiry, an auditing of the British Secret Service "to investigate historical over-reaching." Monochrome's mission was to ferret out any hint of misconduct by any MI5 officer--and allowed Griselda Fleet and Malcolm Kyle, the two civil servants seconded to the project, unfettered access to any and all confidential information in the Service archives in order to do so. But MI5's formidable...

"A Russian immigrant lies dying in a hospice in upstate Vermont. When a stranger visits, claiming to be a childhood friend, the FBI is alerted and news quickly travels to MI5 in London. Liz Carlyle and her colleague Peggy Kinsolving are already knee-deep in conspiracies, and as they unravel the events that landed the man in the hospital, Liz learns of a network of Russians and their plot to undermine the German government. Liz and Peggy set out to...

"When Dorothy Martin and her husband Alan meet the wealthy Ahmad family, they are charmed by their courtesy, their perfect English, their delightful children and their commitment to peace. Following a concert at Sherebury Cathedral, the Ahmads offer to host a party afterwards at the Rose and Crown pub. But Mr and Mrs Ahmad don't show up. Their children are asleep upstairs at the inn, but the parents are nowhere to be found . . . With suspicions of...

"In 1074 B.C., vast treasures disappear from the tombs of Egyptian Pharaohs. In 1927, a daredevil American aviator vanishes on an attempted transcontinental flight. And in the present day, a fishing trawler -- along with its mysterious cargo -- sinks off the coast of Scotland. How are these three mysterious events connected? And, more importantly, what do they mean for Kurt Austin and his NUMA team? As they search for answers, the NUMA squad join...

"At Slough House-MI5's London depository for demoted spies-Brexit has taken a toll. The "slow horses" have been pushed further into the cold, Slough House wiped from Service records-and fatal accidents keep happening. No wonder Jackson Lamb's crew is feeling paranoid. But are they actually targets? With a new populist movement taking a grip on London's streets and the old order ensuring that everything's for sale to the highest bidder, the world's...