When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

Terror stalks the streets of Bayou Breaux, Louisiana. A suspected murderer is free on a technicality, and the cop accused of planting evidence against him is ordered off the case. But Detective Nick Fourcade refuses to walk away. He’s stepped over the line before. This case threatens to push him over the edge. He’s not the only one. Deputy Annie Broussard found the woman’s mutilated body. She still hears the phantom echoes of dying screams. She wants justice.

The cozy, bucolic town of Ludlow is stunned when one of its most revered and respected citizens - Ian Druitt, the local deacon - is accused of a serious crime. Then, while in police custody, Ian is found dead. Did he kill himself? Or was he murdered? When Barbara Havers is sent to Ludlow to investigate the chain of events that led to Ian's death, all the evidence points to suicide. But Barbara can't shake the feeling that she's missing something.

Karen Pirie is the newly appointed Deputy Inspector of the Cold Case Unit, and her first investigation takes her 25 years into the past to the national miners’ strike. At the time, a kidnapping gone wrong left a small boy missing, but new evidence suggests he might still be alive. As Pirie delves deeper, she realizes the boy’s disapperance may be linked to another cold case involving a missing miner.