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.

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?

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.

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....

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.