Husband and wife Niamh and Ruairidh Macfarlane co-own Ranish Tweed: a Hebridean company that weaves its own special variety of Harris cloth, which has become a sought-after brand in the world of high fashion. But when Niamh learns of Ruairidh's affair with Russian designer Irina Vetrov, then witnesses the pair killed by a car bomb in Paris, her life is left in ruins. Along with her husband's remains, she returns home to the Isle of Lewis bereft.

Paris. An old mystery. As midnight strikes, a man desperately seeking sanctuary flees into a church. The next day, his sudden disappearance will make him famous throughout France. A new science. Forensic expert Enzo Macleod takes a wager to solve the seven most notorious French murders, armed with modern technology and a total disregard for the justice system. A fresh trail. Deep in the catacombs below the city, he unearths dark clues deliberately set - and as he draws closer to the killer, discovers that he is to be the next victim.

In 1965, five teenage friends fled Glasgow for London to pursue their dream of musical stardom. Yet before year's end three returned, and returned damaged. In 2015, a brutal murder forces those three men, now in their 60s, to journey back to London and finally confront the dark truth they have run from for five decades. Runaway is a crime novel covering 50 years of friendships solidified and severed, dreams shared and shattered and passions lit and extinguished.

DI Owen Sheen vowed to his father never to return to Ireland. But years have passed, and Sheen needs answers to the questions he has surrounding his brother’s death. He is on loan from the Met under the belief he will be helping set up a new Historical Offences Team. On arrival to Ireland, plans change, and he finds himself partnered with newly promoted DC Aoife McCusker to work on her first appointed murder investigation.

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.

When Detective Sime Mackenzie boards a light aircraft at Montreal's St. Hubert airfield, he does so without looking back. For Sime, the 850-mile journey ahead represents an opportunity to escape the bitter blend of loneliness and regret that has come to characterise his life in the city. Travelling as part of an eight-officer investigation team, Sime's destination lies in the Gulf of St. Lawrence. Only two kilometres wide and three long, Entry Island is home to a population of around 130 inhabitants - the wealthiest of which has just been discovered murdered in his home.

Brussels, 1979. Jaded Edinburgh journalist Neil Bannerman arrives in the capital of European politics intent on digging up dirt. Yet it is danger he discovers when two British men are found murdered. One victim is a journalist, the other a Cabinet Minister: the double assassination witnessed by the former's autistic daughter. This girl recalls every detail about her father's killer - except for one.

Fin Macleod, now head of security on a privately owned Lewis estate, is charged with investigating a spate of illegal-game hunting taking place on the island. This mission reunites him with Whistler Macaskill - a local poacher, Fin's teenage intimate and possessor of a long-buried secret. But when this reunion takes a violent, sinister turn and Fin puts together the fractured pieces of the past, he realises that revealing the truth could destroy the future.

Cambodia, 1978. Amid the Khmer Rouge's crazed genocide, soldier of fortune Jack Elliott is given the impossible task of rescuing a family from the regime. Eighteen-year-old orphan and budding journalist Lisa Robinson has received the impossible news that her father is, in fact, alive. His name - Jack Elliott. As Jack tracks the hostages and Lisa traces her heritage, each is intent on reuniting a family. Yet to succeed, so must run a dangerous gauntlet of bullets and betrayal.

A man stands bewildered on a deserted beach on the Hebridean Isle of Harris. He cannot remember who he is. The only clue to his identity is a folded map of a path named the Coffin Road. He does not know where this search will take him. A detective from Lewis sits aboard a boat, filled with doubt. DS George Gunn knows that a bludgeoned corpse has been discovered on a remote rock 20 miles offshore. He does not know if he has what it takes to uncover how and why.

When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

When a girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help. 

The streets of London run thick with the blood of innocent victims once more. Not since the end of the horrific reign of terror of the infamous Jack the Ripper in 1891 has there been a killer so sick and twisted, a man seemingly born to kill.

Detective Chief Inspector Ryan retreats to Holy Island seeking sanctuary when he is forced to take sabbatical leave from his duties as a homicide detective. A few days before Christmas, his peace is shattered, and he is thrust back into the murky world of murder when a young woman is found dead amongst the ancient ruins of the nearby priory. When former local girl Dr. Anna Taylor arrives back on the island as a police consultant, old memories swim to the surface, making her confront her difficult past.

When the body of a famous television academic is discovered in Greenwich Park, carefully positioned beside a megalithic stone fountain and missing a hand, DI Declan Walsh and the team of the Last Chance Saloon find themselves not only involved in a case that connects to the supernatural, but one that also involves 17th-century architects, Ley Lines, nuclear reactors and a secret black market organisation that specialises in particular occult items.