FBI Special Agent Emily Slate is no stranger to tragedy. After losing her husband three months ago, then botching the biggest case of her career, she’s barely escaped a full suspension. Determined to get her life back on track or die trying, she takes a seemingly impossible case in hopes she can turn her fortunes around.

When a federal judge’s daughter goes missing without a trace, it will be up to recently-reinstated FBI agent Emily Slate to find her. Only Emily doesn’t realize what dangers lurk at the edges of this unique case.

When young London professional Alex Evans is informed that his sister's body has been pulled from an icy lake in Northern Lapland, he assumes his irresponsible sister accidentally drowned. He travels to the wealthy winter resort where Vicky worked as a tour guide and meets Agatha Koskinen, the detective in charge. Agatha is a no-nonsense single mother of three who already thinks there's more to Vicky's case than meets the eye. As the two form an unlikely alliance, Alex also begins to suspect the small town where his sister lived and died is harbouring secrets.

When Bobby McGowan discovers an old photo album belonging to his mother—who was murdered twenty years ago—he becomes convinced that one of the photos holds the key to finally solving her murder. Despite the protests of his father and sister, Bobby marches forward with the investigation. He builds a website dedicated to the murder of his mother, and receives a message from the purported killer. The game is on.

Abductions and murder are not what ex-DCI Luke Sackville expected when he left the police after tragedy struck his family. Luke’s return to the workplace was meant to be a soft landing, but when a woman vanishes after being accused of taking bribes, he is assigned a disparate team and tasked with tracking her down. Their search becomes more urgent when her disappearance is linked to the death of a second woman. When a third goes missing, the hunt becomes a race against time.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

After a series of tragedies turned her world upside down, FBI Agent Spenser Song felt like a woman adrift in a sea of chaos. Her brush with death and the tragic murder of her husband left her questioning everything in her life. And when it became clear that Bureau politics will trump justice, Spenser realized she needed a fresh start.

For Denver Homicide detective Sarah Spillman, a secret from her past haunts each new investigation and could derail her hard-earned career. A missing boy’s body is found in a dumpster in a seemingly idyllic Denver neighborhood, and the list of suspects includes the boy’s mother and father. Sarah barely begins her investigation when a man who lived nearby is also discovered dead, an apparent suicide. Sarah continues to dig deeper, looking for a link between the two deaths, only to find the lies are piling up.

In the year 2000, private investigator Peter Andrassy, a native Hungarian and retired NYC detective, may abandon investigatory work. Since moving back to Budapest, he’s struggled to find new clients and believes technology has passed him by.

Thomas Austin was once a prominent NYPD detective, known for locking up a psychopathic serial killer dubbed "The Holiday Baby Butcher". Now retired in a small beach town in the Pacific Northwest, Austin runs a little café, trying to overcome the loss of his wife, a DA who was gunned down only one year ago.

I close the binder I’ve been writing in, and walk into the living room. As I stare out of the window at your house next door, I think about all the things I stand to lose if someone comes for me. My handsome, loving husband, who has no idea what I’ve done. My family, who have supported me no matter what. This beautiful home near the ocean, where I thought I would be safe.

Running from a world which wants him dead, ex-detective Sergeant Jake Pettman journeys to the isolated town of Blue Falls, Maine, home of his infamous, murderous ancestors. But Jake struggles to hide from who he is, and when a child disappears, he finds himself drawn into an investigation that shares no parallels to anything he has ever seen before. Held back by a chief of police plagued and tormented by his own secrets, Jake fights for the truth. All the way to the door of Jotham MacLeoid. An insidious megalomaniac who feeds his victims to a killing pit.

Nora Sommer's first case for the Royal Cayman Islands Police Service is one she'll never forget - if she survives. When the daughter of a wealthy businessman is taken, Nora is first on the scene and unwittingly "chosen" by the kidnapper. With the crime live-streamed across the internet, the eyes of the world are upon her as she faces a sequence of difficult challenges with the life of the kidnapped girl hanging on Nora's success - or failure.

FBI Agent Jo Pullinger arrives in Seattle, Washington. She is grateful to leave behind her old life. One that involved having a transplant of a killer’s heart. When a wealthy family is murdered in their mansion, the daughter’s boyfriend is taken into custody. He was found at the scene of the crime, cradling the daughter’s body, with the murder weapon at his side. Jo’s instincts tell her the boyfriend is not guilty, even though, all the evidence is stacked against him.

In a desolate desert, members of an isolated agricultural station discover a stranger, dehydrated, delirious, and near death from exposure. His weak frame is thin, desiccated. His blistered flesh is wooden, and in his madness a faint, raspy chant slips from his near lipless mouth: "So many, not enough. So many, not enough."