In one of his most puzzling cases, Scotland Yard Inspector Ian Rutledge must delve deep into a dead man’s life and his past to find a killer determined to keep dark secrets buried. 

The daughter of a distinguished soldier, Bess Crawford follows in his patriotic footsteps, volunteering to serve her country as a nurse during the Great War. In 1916 she promises Lieutenant Arthur Graham that she will carry his dying request to a brother. When Bess arrives at the Graham house in Kent, Jonathan Graham listens to his brother's last wishes with surprising indifference.

The Great War is still raging when Francesca Hatton’s adored grandfather dies on his estate in England’s isolated Exe Valley. She is his sole heir, for her five cousins are dead now on the battlefields of France. Among his effects, Francesca is stunned to find a letter cursing the Hattons. And at the funeral, a stranger publicly accuses Hatton of murder. Who was her grandfather? The kind man who raised her - or a secretive killer? For in the back garden where she and her cousins once played, there is a white stone they always called the Murder Stone 

Years before the Great War summoned Bess Crawford to serve as a battlefield nurse, the indomitable heroine spent her childhood in India under the watchful eye of her friend and confidant, the young soldier Simon Brandon. The two formed an inseparable bond on the dangerous Northwest Frontier where her father’s Regiment held the Khyber Pass against all intruders. It was Simon who taught Bess to ride and shoot, escorted her to the bazaars and the Maharani’s Palace, and did his best to keep her out of trouble.

In 1914, while visiting her friend Madeleine, Lady Elspeth Douglas's life is thrown into chaos when war breaks out and the Germans quickly overrun Belgium, threatening France. Having just agreed to marry Alain, Madeleine's dashing brother, Lady Elspeth watches him leave to join his unit, and then she sets out for England, only to find herself trapped on the French coast.

Peter Diamond is tasked to run security for a wedding. Seems a bit beneath his extraordinary detective talents, as well as his title as head of Bath's CID, but this isn't your run-of-the-mill ceremony: the bride and groom belong to families on opposite ends of the law - and someone is trying to sabotage the nuptials by taking out a hit on the father of the bride.

With a glittering career, spanning several decades representing the privileged and the wealthy, behind him the focus of the investigation inevitably turns toward cases and clients past and present, but was his death linked to his work or is there another, darker and far more sinister motive at play? No matter how successful, privileged or elevated in society one person can be, one universal rule applies; we all bleed the same.

While the residents of the Québec village of Three Pines take advantage of the deep snow to ski and toboggan, to drink hot chocolate in the bistro and share meals together, the Chief Inspector finds his holiday with his family interrupted by a simple request. He’s asked to provide security for what promises to be a non-event. A visiting Professor of Statistics will be giving a lecture at the nearby university.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

It's 1811, and the threat of revolution haunts the upper classes of King George III's England. Then a beautiful young woman is found savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol found at the scene and the damning testimony of a witness both point to one man - Sebastian St. Cyr, Viscount Devlin, a brilliant young nobleman shattered by his experience in the Napoleonic Wars.

Isabella Waverly only means to comfort the woman felled on a London street. In her final dying moments, she thrusts a letter into Bella’s hand. It’s an offer of employment in the kitchens of Buckingham Palace, and everything the budding young chef desperately wants: an escape from the constrictions of her life as a lowly servant. In the stranger’s stead, Bella can spread her wings. Arriving as Helen Barton from Yorkshire, she pursues her passion for creating culinary delights, served to the delighted Queen Victoria herself.

Detective Inspector Siobhan Clarke is feeling the heat. She's investigating the death of a senior government prosecutor, David Minton, who has friends in high places. When one of their own is killed, the powers that be want answers fast. But Clarke is puzzled: If Minton died in a robbery as everyone thinks, why is nothing missing from his home? The answer may lie not in what was taken but in what was left behind at the scene - an ominous note.

In North Devon, where two rivers converge and run into the sea, Detective Matthew Venn stands outside the church as his estranged father’s funeral takes place. On the day Matthew left the strict evangelical community he grew up in, he lost his family, too. Now, as he turns and walks away again, he receives a call from one of his team. A body has been found on the beach nearby: a man with a tattoo of an albatross on his neck, stabbed to death. The case calls Matthew back to the people and places of his past, as deadly secrets hidden at their hearts are revealed.

Bristol detective DS George Cross, champion of the outsider, the voiceless and the dispossessed. DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. An outsider himself, having been diagnosed with autism spectrum disorder, DS Cross is especially drawn to cases concerning the voiceless and the dispossessed. Now, Cross is untangling the truth about a young woman who died three days ago. 

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.