When a teenager is the victim of an unprovoked attack while walking his dog, a murder investigation begins. A cruel twist of fate makes his innocent family the targets of a vicious campaign of terror. As the detectives of Liverpool's Major Investigation Team try to contain the violence, several key members of an organized crime family begin to topple, causing shockwaves across the planet.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

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?

When a body is found on a lonely cliff top path, the angelic face of a murdered teenager lies facing the rising sun. Strangled by the hands of an unknown killer, it falls to DI Tom Janssen and his fledgling team to find out how she came to be there. Destined for a career in medicine, one to rival that of her parents, Holly Bettany’s future was as bright as it had been privileged. Seemingly, all that could threaten this promising teenager’s life was Holly herself.

DI Alan Williams is called to the recovery of two bodies from the sea at Trearddur Bay, during a storm. The lifeboat crew suspect they're fishermen, washed away by a wave, but they’re wrong. Alan and his detective sergeant, Kim Davies, realise the men were beaten and tied together before they entered the water. Two miles along the headland at Porth Dafarch, a third victim is found but there are no obvious links. As the number of victims increases, a major investigation team battles to unravel a deadly puzzle.