Cat Kinsella overcame a troubled childhood to become a detective constable. When she’s called to the scene of a murder, not far from the pub her estranged father still runs, she discovers that Alice Lapaine is dead. Cat and her team suspect Alice’s husband, until she receives a phone call that links the victim to Maryanne Doyle, a teenage girl who went missing in Ireland 18 years earlier. The call raises uneasy memories for Cat. Though she was only a child, Cat knew that her father wasn’t telling the truth when he denied knowing anything about Maryanne or her disappearance.

Detective Mike McCabe moved from a top homicide job with the NYPD to Portland, Maine, to leave his failed marriage and suspicions of wrongdoing behind, and to find a more peaceful life for himself and his 13-year-old daughter. But the small New England city is not nearly as safe as he thought. On a warm September night, a missing high school athlete is found dead in a scrap-metal yard, her heart removed from her body with surgical precision. As outrage over the killing spreads, a young businesswoman disappears while out on a morning jog.

Two people are abducted, imprisoned, and left with a gun. As hunger and thirst set in, only one walks away alive. It's a game more twisted than any Detective Inspector Helen Grace has ever seen. If she hadn't spoken with the shattered survivors herself, she almost wouldn't believe them.

Absalom “Abbie” Kearney grew up an outsider in her own hometown. Even being the adopted daughter of a revered cop couldn’t keep Abbie’s troubled past from making her a misfit in the working-class Irish American enclave of South Buffalo. And now, despite a Harvard degree and a police detective’s badge, she still struggles to earn the respect and trust of those she’s sworn to protect. But all that may change, once the killing starts.

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?

Snow falls softly outside Molly Bradley’s home on a frigid January night. Inside, half a dozen close friends are gathered to celebrate the fortieth birthday of Molly’s psychologist husband, Jay. Candlelight gleams against dark wood, wine flows, and the house rings with laughter. Everybody loves Jay, Molly most of all. Yet next morning, Molly discovers Jay dead on the floor of his office, his throat brutally slashed.

Detective Peter Decker of the LAPD is stunned when he gets the report. Someone has shattered the sanctuary of a remote yeshiva community in the California hills with an unimaginable crime. One of the women was brutally raped as she returned from the mikvah, the bathhouse where the cleansing ritual is performed.

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.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

When her fiancé’s private plane crashes in the Colorado Rockies, everyone assumes Allison Carpenter is dead. But Maggie, Allison’s mother back home in Owl Creek, Maine, refuses to believe them. Maggie knows her daughter - or she used to, anyway. For the past two years, the women have been estranged. As Allison struggles across the treacherous mountain wilderness, Maggie embarks on a desperate search for answers about the world Allison has been involved in.

Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

Eve Dallas is a New York police lieutenant hunting for a ruthless killer. In over ten years on the force, she’s seen it all - and knows her survival depends on her instincts. And she’s going against every warning telling her not to get involved with Roarke, an Irish billionaire - and a suspect in Eve’s murder investigation.

Nathan Stone was killed in action while serving as a covert CIA operative. Or so everyone thought. In reality he’s become a ghost, a black-ops asset with a new identity and controlled by a secret government organization. The Commission has one aim: to hunt down and assassinate anti-establishment enemies of the state. Its number-one target is Senator Brad Crichton, an ambitious politician with growing support. Stone is ready to take him out, but his plan is soon compromised....

Joe never wanted to come back to Arnhill. After the way things ended with his old gang - the betrayal, the suicide - and what happened when his sister went missing, the last thing he wanted to do was return to his hometown. But Joe doesn’t have a choice, not after a chilling email surfaces in his inbox: I know what happened to your sister. It’s happening again....

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.