Living again of the Isle of Lewis, the ex-detective inspector Fin McLeod is working as a security officer for a local landowner. While investigating illegal activity on the estate, Fin encounters elusive poacher and former childhood friend Whistler Macaskill. But while Fin catches up with Whistler, the two witness a freak natural phenomenon - a "bog burst" - that spontaneously drains a loch of its water, revealing a mud-encased light aircraft with a sickeningly familiar moniker on its side.

When a grisly murder occurs on the Isle of Lewis that bears similarities to a brutal killing on the mainland, Edinburgh detective Fin Macleod is dispatched to the Outer Hebrides to investigate, embarking at the same time on a voyage into his own troubled past. As Fin reconnects with the people and places of his tortured childhood, the beautiful island and its ancient customs once again begin to assert their grip on his psyche. Every step toward solving the case brings Fin closer to a confrontation with the dark events of the past that shaped - and nearly destroyed - his life.

Half-Scottish, half-Italian Enzo MacLeod used to be one of the top forensics experts in Scotland, and now he lives in Toulouse, working as a university professor. Divorced in Scotland and widowed in France, he has an estranged Scottish daughter and a French daughter he has raised by himself. As if his life isn't complicated enough, he soon finds himself unexpectedly on the hunt for solutions to some vexing cold cases thanks to an ill-advised wager about the power of forensic science.

A young meteorologist checking a mountain top weather station in Kinlochleven discovers the body of a missing man entombed in ice. Cameron Brodie, a Glasgow detective, sets out on a hazardous journey to the isolated and ice-bound village. He has his own reasons for wanting to investigate a murder case so far from his beat. Brodie must face up to the ghosts of his past and to a killer determined to bury forever the chilling secret that his investigation threatens to expose.

Glasgow, 1965. Headstrong teenager Jack Mackay cannot allow for even the possibility of a life of predictability and routine. The 17-year-old has just one destination on his mind - London - and successfully convinces his four friends and fellow bandmates to join him in abandoning their homes to pursue a goal of musical stardom.

Spain, 2020. When expat fugitive Jack Cleland watches his girlfriend die, gunned down in a pursuit involving officer Cristina Sanchez Pradell, he promises to exact his revenge by destroying the policewoman. Cristina's aunt Ana has been deaf-blind for the entirety of her adult life: the victim of a rare condition named Usher Syndrome. Ana is the centre of Cristina's world - and of Cleland's cruel plan. John Mackenzie - an ingenious yet irascible Glaswegian investigator - is seconded to aid the Spanish authorities in their manhunt.

Lovers and business partners Niamh and Ruairidh are owners of a small Hebridean company, Ranish Tweed. Their fabrics have become internationally sought-after in the world of fashion. But the threads of their relationship are beginning to fray. As they prepare for an important showing at a Parisian fabric fair, Niamh accuses Ruairidh of having an affair with a Russian fashion designer they work with - a fight that ends with Ruairidh storming off. Moments later, Niamh watches in horror as the car containing her life partner explodes in a ball of flame. With Niamh a prime suspect in the murder, the Parisian police hound her....

When a murder rocks the isolated community of Entry Island, insomniac homicide detective Sime Mackenzie boards a light aircraft at St. Hubert airfield bound for the small, scattered chain of Madeline Islands, in the Gulf of St. Lawrence, as part of an eight-officer investigation team from Montréal. Only two kilometers wide and three long, Entry Island is home to a population of just more than 100 inhabitants, the wealthiest of whom has just been discovered murdered in his home.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

A grotesquely burned corpse found in a city park is a troubling mystery for Beijing detective Li Yan. Yan, devoted to his career as a means of restoring the respect his family lost during the Cultural Revolution, needs outside help if he is to break the case. The unidentified cadaver in turn provides a welcome distraction for forensic pathologist Margaret Campbell. Campbell, married to her work and having left America and her broken past behind, throws herself into the investigation and before long uncovers a bizarre anomaly.

It is 1969 and Glasgow is in the grip of the worst winter in decades, yet it is something else that has Glaswegians on edge: a serial killer whose name alone is enough to make them tremble with fear. The Quaker has killed another victim, snatching a young woman from a nightclub and dumping her body like trash in the back of a cold-water tenement. He leaves no clues, and the investigation has led police down one blind alley after another.

London is in lockdown under martial law. A hospital is being urgently built by the river Thames to contain the thousands of victims of a flu-like epidemic. Construction is brought to a sudden halt when a leather holdall containing the bones of a child is unearthed from the rubble. A psychopath has been unleashed on the city; his mission is to take all measures necessary to prevent the bones from being identified. But why are he and his handlers determined to go to such murderous lengths to hide the origins of the body?

On the night of the school prom, a young teacher is found dead in the Thames in a drug-related accident. It seems - at first - to be another sign that Cherringham High is spiralling out of control. The new head however is convinced that the teacher's death is suspicious and quietly calls in Sarah Edwards. With her one-time detective partner, Jack Brennan, back in America, Sarah is at first reluctant to take on the case. But when she does get involved, it soon becomes clear that the tragic accident might really be a case of murder - and even Sarah herself could be in danger.

Shortlisted for the CWA Dagger in the Library. Ruth Galloway receives a phone call that bears shocking news. A friend of hers from college, Dan Golding, has been killed in a fire at his Lancashire home. Her shock turns to alarm when she gets a letter from Dan. He has made a discovery that will change archaeology forever but he needs Ruth's advice. Even more alarming, he sounds vulnerable and frightened. DCI Harry Nelson is also rediscovering his past. Up north for a holiday, he meets his former colleague Sandy MacLeod, now at Blackpool CID.

December 1940. As German bombs fall on Southampton, England, the city's residents flee to the surrounding villages. In Upton village, amid the chaos, newly married Ellen Parr finds a girl asleep, unclaimed at the back of an empty bus. Little Pamela, it seems, is entirely alone. Ellen has always believed she does not want children, but when she takes Pamela into her home, the child cracks open the past Ellen thought she had escaped and the future she and her husband, Selwyn, had dreamed for themselves. As the war rages on, love grows where it was least expected, surprising them all.