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.

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.

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.