Eldritch Swan is a dead man. Or at least that is what his nephew Stephen has always been told. Until one day Eldritch walks back into his life after 36 years in an Irish prison. He won't reveal any of the details of his incarceration, insisting only that he is innocent of any crime....

Harry Barnett thought he had left his military career behind, so he is startled when two figures from his past turn up on his doorstep after 50 years. An old friend has organised the reunion to end all reunions: a weekend in the Scottish castle where the ex-comrades took part in a psychological experiment many years before. They haven't seen each other since. As they set off on their all-expenses-paid jaunt to Aberdeen, the old friends are in high spirits. But the cheerful atmosphere is quickly shattered by the apparent suicide of one of their party.

The car jolts to a halt at the pavement's edge, the driver waving through the windscreen to attract Richard's attention. He starts with astonishment. The driver is Gemma, his ex-wife. He has not seen or spoken to her for several years. They have, she memorably assured him the last time they met, nothing to say to each other. But something has changed her mind - something urgent.

1919. The eyes of the world are on Paris, where statesmen, diplomats and politicians have gathered to discuss the fate of half the world’s nations in the aftermath of the cataclysm that was the Great War. A horde of journalists, spies and opportunists have also gathered in the city, and the last thing the British diplomatic community needs at such a time is the mysterious death of a senior member of their delegation. 

Estranged from his family for most of his adult life, Chris Napier is persuaded to return home for his niece's wedding. At the reception, he is shocked to recognise a dishevelled intruder as his childhood friend Nicky Lanyon, whose presence is a chilling reminder of a murder and subsequent trial that Chris has tried hard to forget. When Nicky hangs himself, Chris is compelled to revisit the tragic events of 34 years ago and the apparent justice that was served.

Ex-flying ace James ‘Max’ Maxted’s attempt to uncover the secret behind the death of his father, Sir Henry Maxted, has seemingly ended in failure - and his own death. Unaware of Max’s fate, the team continue to pursue their only lead, travelling to Japan in search of a mysterious prisoner held by Sir Henry’s old enemy, Count Tomura. Once there, they encounter former German spymaster Fritz Lemmer, now rebuilding his spy network in the service of a new, more sinister cause. 

When Harry Barnett is informed that his son is in hospital in a diabetic coma, he is certain that there must be some mistake, since he does not have a son. But he soon discovers that he does. David Venning was a brilliant mathematician, and his tragic condition is taken to be the result of an accident or a suicide attempt.

Nick Paleologus is summoned to the unyielding bosom of his family to help resolve a dispute which threatens to set his brothers and sisters against their aged and irascible father. Michael Paleologus, retired archaeologist and supposed descendant of the last Emperors of Byzantium, lives alone at Trennor, a remote and rambling house on the Cornish bank of the Tamar. A ridiculously generous offer has been made for the house, but he refuses to sell despite the urgings of his children, for whom the proceeds would solve a variety of problems.

The year is 1931. The new and luxurious transatlantic liner Empress of Britain is on her eastward passage. Among the first-class passengers on board are two English confidence tricksters, making a discreet exit from a little awkwardness they have left behind them in the United States.

On assignment in Vienna, photographer Ian Jarrett falls suddenly and desperately in love with a woman he meets by pure chance, Marian Esguard. Back in England, he separates from his wife and goes to meet Marian at an agreed rendezvous, only to hear her tell him on the telephone that she will not, after all, be coming. Then she vanishes from his life as mysteriously as she entered it. Who and where is the woman he met and fell in love with in Vienna?

Tristram Abberley was an acclaimed English poet of the 1930s whose legendary reputation was sealed when he died fighting for the Republicans in the Spanish Civil War. Nearly 50 years later, his sister Beatrix is brutally murdered in her seaside cottage. Her family are stunned by the crime - especially Beatrix's niece, Charlotte Ladram. But Charlotte has little time to mourn her aunt as 50 years of secrets begin to unravel.

Six months after the sudden death of her husband, Leonora Galloway sets out on a trip to France with her daughter Penelope. At last the time has come when secrets can be shared and explanations begin.... Leonora takes her daughter to the battlefields of WW1, where her father is commemorated on the Thiepval Monument. But the date of his death is surprising, and reveals that Captain John Hallows cannot possibly have been Leonora's real father.

St Andrews, Scotland: when a man's preserved body is discovered in a whisky ageing cask in the local Gleneden Distillery, DCI Andy Gilchrist and his partner, DS Jessie Janes, are assigned to the investigation. But when the dead man is identified as Hector Dunmore, the once heir-apparent of Gleneden Distillery, their investigation takes a dramatic turn, for Dunmore was reported missing 25 years earlier when his Land Rover was found abandoned on the outskirts of Mallaig, almost 200 miles away on the coast. Why hide a body in a 25-year ageing cask? And who would want Dunmore dead? 

Recovering from the recent tragedy of his wife's death in a cliff fall, Tony Sheridan goes to stay with his sister-in-law, Lucy, and her husband at their new home - Otherways - a strange circular, moated house. Disturbed by memories of his wife and a growing attraction to Lucy, Sheridan is also troubled by weird and vivid dreams. And as he and Lucy embark on a secret and passionate affair, Sheridan begins uncovering the truth about Otherways.

High on a Cornish cliff sits a vast uninhabited mansion. Uninhabited except for Blake, a young woman of dubious background, secretive and alone, currently acting as housesitter. The house has a panic room. Cunningly concealed, steel lined, impregnable - and apparently closed from within. Even Blake doesn’t know it’s there. She’s too busy being on the run from life, from a story she thinks she’s escaped. But her remote existence is going to be invaded when people come looking for the house’s owner, missing rogue pharma entrepreneur Jack Harkness.