A body is reported lying on an isolated country road. The Stone County sheriff's department sends out its newest homicide investigator - Dan Cutter. Cutter discovers a baffling scene that leaves him with few clues and no obvious motive. Experienced at working on murder cases, Cutter finds himself with a different problem: He's in unfamiliar territory. Stone County isn't the big city he came from, and finding the killer will test him in ways he never expected.

Officer Danny Sullivan has just become Detective Danny Sullivan, the first in a family line of Boston police officers to do so. It's a milestone the whole family can celebrate. But quickly, his new position turns into something more than he ever anticipated. His first case with a new partner throws him into a web of secrets, half-truths, and dead women. The conclusion he draws puts him at odds with everyone in his life, and the young detective must decide whether to risk everything to prove his theory that more women are about to die.

A frantic female voice calls 911. Just one chilling playback of the girl's screams tells Detective Annie Logan a clock has started ticking. The young detective doesn't know the girl's name, she doesn't know where she called from, and most of all, she doesn't know if the girl is still alive. But Annie will stop at nothing to find her before it's too late.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected.

An eight-year-old girl, Chelsea Compton, is missing in Pine Valley, California, and for Detective Katie Scott it’s a cruel reminder of the friend who disappeared from summer camp 20 years ago. Unable to shake the memories, Katie vows she won’t rest until she discovers what happened to Chelsea. But as Katie starts to investigate, the case reveals itself to be much bigger and more shocking than she feared. Hidden deep in the forest she unearths a makeshift cemetery: a row of graves, each with a brightly colored teddy bear.

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.

Detective Reed Mattox, just three months removed from the death of his partner, has turned invisibility into an art form. Switching to the K-9, taking over the graveyard shift, moving to a farmhouse miles outside of Columbus - his every move has become predicated on putting as much distance between himself and the outside world as possible. That distance is shattered, though, when bodies begin turning up in The Bottoms, the poverty-stricken section of town he is assigned to patrol.

Rumors have swirled around Jake Cashen his whole life. Is he crazy like his father? Is it true they booted him out of the F.B.I. right after he cracked a career-making RICO case? Was he dirty? Only Jake knows, and he’s not telling. He came back to his tiny hometown at the foot of Ohio’s Blackhand Hills to serve as a deputy sheriff. He hopes to punch a clock and keep his head down until retirement. It was a solid plan—until someone put a bullet in the head of a revered county judge.

Private investigator Kenna Banbury lost everything two years ago at the hands of a serial killer. From the ashes of that encounter, she’s built a life she believes in, searching for the lost and forgotten all over the western US. When a series of murders drags her into an FBI investigation, Kenna finds herself back in the place where it all went wrong. Struggling to make sense of the case, Kenna’s past and present collide in a deadly plot that risks another betrayal and threatens to shatter everything she’s built.

Former detective sergeant Norman Norman’s retirement is boring him to tears. So when he’s asked to assist an upcoming female DI and mentor a new team of misfits in a sleepy Welsh coastal town, he jumps at the opportunity. But the training has barely begun when a woman’s corpse washes up on the sand. With no reports of missing persons, DS Norman is stumped...until the post-mortem reveals a shocking hint to the culprit being local. But with a growing list of suspects who all have alibis, the experienced cop and his fledgling team’s first case could be their last.