Carl Mørck used to be one of Denmark’s best homicide detectives. Then a hail of bullets destroyed the lives of two fellow cops, and Carl - who didn’t draw his weapon - blames himself. So a promotion is the last thing he expects. But Department Q is a department of one, and Carl’s got only a stack of cold cases for company. His colleagues snicker, but Carl may have the last laugh, because one file keeps nagging at him: A liberal politician vanished five years earlier and is presumed dead. But she isn’t dead...yet.

Even for the sleazy backwater of Cooper, Nebraska, the multiple murder of an entire family, brutally bludgeoned to death in their beds, is big news. Detective Joe Finch, raw with guilt over his partner’s traumatic shooting during a routine traffic stop, hopes the case will at least focus his mind. But then he discovers that the crime scene is the house he grew up in, and the ghosts of his own tragic childhood come rushing back to confront him.

Three children, running in the woods behind their school, stumble upon a partially buried female body, eyes and mouth glued shut. Close behind the children is their teacher, Anne Navarre, shocked by this discovery and heartbroken as she witnesses the end of their innocence. What she doesn't yet realize is that this will mark the end of innocence for an entire community, as the ties that bind families and friends are tested by secrets uncovered in the wake of a serial killer's escalating activity.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Vermont, 1950. There's a place for the girls whom no one wants - the troublemakers, the illegitimate, the too smart for their own good. It's called Idlewild Hall. And in the small town where it's located, there are rumors that the boarding school is haunted. Four roommates bond over their whispered fears, their budding friendship blossoming - until one of them mysteriously disappears.... Vermont, 2014. As much as she's tried, journalist Fiona Sheridan cannot stop revisiting the events surrounding her older sister's death.

Two words: the bullet. That's all it takes to shatter her life. Caroline Cashion is beautiful, intelligent, a professor of French literature. But in a split second, everything she's known is proved to be a lie. A single bullet, gracefully tapered at one end, is found lodged at the base of her skull. Caroline is stunned. It makes no sense: She has never been shot. She has no entry wound, no scar. Then, over the course of one awful evening, she learns the truth.

Dr. Morton Handler practiced a strange brand of psychiatry. Among his specialties were fraud, extortion, and sexual manipulation. Handler paid for his sins when he was brutally murdered in his luxurious Pacific Palisades apartment. The police have no leads, but they do have one possible witness: seven-year-old Melody Quinn.

Frieda Klein is a solitary, incisive psychotherapist who spends her sleepless nights walking along the ancient rivers that have been forced underground in modern London. She believes that the world is a messy, uncontrollable place. The abduction of five-year-old Matthew Farraday provokes a national outcry and a desperate police hunt. And when his face is splashed over the newspapers, Frieda cannot ignore the coincidence: one of her patients has been having dreams in which he has a hunger for just such a child.

New York psychologist Will Hardy had it all - a loving family, a flourishing career, a best-selling book. Until the night it all ended in a tempest of fire and ash, leaving only Will and his 15-year-old daughter Bernadette to stand in the ruins. Haunted and grief-stricken, Will accepts an enigmatic invitation from his family’s past to begin their lives anew in the small town of Abbeville, Ohio. Meanwhile, Abbeville Chief of Police Ivy Holgrave is investigating the death of a local girl, convinced this may only be the latest in a long line of murders dating back decades.

When the badly decomposed body of 13-year-old Katie Pine is found, John Cardinal is vindicated. It was Cardinal who'd kept the Pine case open and Cardinal had been demoted to the burglary squad for his excessive zeal. But Katie Pine isn't the only youngster to have gone missing and Cardinal is now given the go-ahead to reopen the files on three other lost kids. When another youth is reported missing, he begins to see a pattern that screams "serial killer."

It is three days before Christmas, and two young girls have disappeared from the local academy. This hasn't happened for 15 years, since Rouge Kendall's twin sister was murdered. The killer was found, but now Rouge, 25 and a policeman, is forced to wonder: was he really the one? Also wondering is a former classmate named Ali Cray, a forensic psychologist with scars of her own. The pattern is the same, she says: a child called out to meet a friend.

When novelist Andy Drake returns to his hometown to care for his ailing father, a reconnection with his childhood friend Rachel escalates into a secret love affair. For Rachel, struggling to maintain the facade of a picture-perfect life, it’s an escape from an emotionally abusive marriage. Then Andy receives an anonymous note warning him to end the affair. Or else.

A devious serial killer lays siege to the city of Philadelphia, brutally sacrificing pretty young Catholic girls on the altar of insanity. As the body count rises, an exceptional investigating partnership struggles to stop him. Detective Jessica Balzano, Philly's Homicide Unit's newest rookie, is teamed up with veteran cop Kevin Byrne, respected for his solve rate and known for his unorthodox methods.

Private investigator Jack Pellum has spent two years searching for the man he believes murdered his wife - a man he last saw wearing a peacoat and a fedora. Months of posting flyers and combing through crime records yields no leads. Then a local writer commits suicide, and he leaves a bewildering message that may be the first breadcrumb in a winding trail of unsolved murders....

When the dead body of a Latino woman is found in a reservoir about 50 miles north of Manhattan, with a photo of a baby in her purse nearby, the police try to determine who the child is and if it is still alive. Along with the photo, they also find a disturbing note in the purse: "Go back to your country. You don't belong here."