Three university scientists are found dead in a gruesome murder-suicide, and the only suspect in the case, Victor Lazar, is quickly captured. When the spate of violent suicides follows him to prison he is moved to solitary confinement, reserved for the highest-risk inmates. And then his assigned psychologist inexplicably takes his own life. Alex Madison, a former forensic psychologist turned private therapist, is brought in to interview Victor. He suspects that Victor is controlling his victims, somehow coaxing them into a suggestive trance.

When Matt and Imogen move out of the city, they're hoping for a much-needed fresh start. Matt throws himself into his new job, but Imogen struggles to adjust to life in quiet Surrey. She's grateful for the kind welcome from new neighbour Nancy, and they soon become close friends. So when Nancy makes a shocking accusation, Imogen doesn't know who to trust. This isn't the first time Matt has found himself on the wrong end of a false accusation...but is Nancy hiding secrets of her own?

In North Devon, where two rivers converge and run into the sea, Detective Matthew Venn stands outside the church as his estranged father’s funeral takes place. On the day Matthew left the strict evangelical community he grew up in, he lost his family, too. Now, as he turns and walks away again, he receives a call from one of his team. A body has been found on the beach nearby: a man with a tattoo of an albatross on his neck, stabbed to death. The case calls Matthew back to the people and places of his past, as deadly secrets hidden at their hearts are revealed.

Minnesota, 1977. For the teens of one close-knit community, summer means late-night swimming parties at the quarry, the county fair, and venturing into the tunnels beneath the city. But for two best friends, it’s not all fun and games. Heather and Brenda have a secret. Something they saw in the dark. Something they can’t forget. They’ve decided to never tell a soul. But their vow is tested when their friend disappears—the second girl to vanish in a week. And yet the authorities are reluctant to investigate.

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

When small-town police officers discover the grave of a young boy, they’re quick to pin the crime on a convicted criminal who lives nearby. But when it comes to murder, Officer Susan Marlan never trusts a simple explanation, so she’s just getting started. Meanwhile, college professor Eric Evans hallucinates a young boy in overalls: a symptom of his schizophrenia - or so he thinks. But when more bodies turn up, Eric has more visions, and they mirror details of the murder case.

In Left to Die, FBI special agent Adele Sharp is a German-and-French raised American with triple citizenship—and an invaluable asset in bringing criminals to justice as they cross American and European borders. When a serial killer case spanning three US states goes cold, Adele returns to San Francisco and to the man she hopes to marry. But after a shocking twist, a new lead surfaces and Adele is dispatched to Paris, to lead an international manhunt.

Nora Kelly, a young archaeologist in Santa Fe, receives a letter written 16 years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich - the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country, but what she unearths will be the newest of horrors.

Former CIA operative turned mercenary for hire Ryan Decker’s specialty is rescuing kidnap victims. Hired by an influential US senator to liberate her daughter from a human-trafficking ring, Decker never anticipated sabotage or that the assault could go so disastrously wrong. The hostage is dead. His team is wiped out, and so are their families, including Decker’s own wife and son - eliminated one by one by the Russian mafia. And he’s survived to take the fall.

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.

Fourteen years ago, prosecutor Jessica Yardley's husband went to prison for a series of brutal murders. She's finally created a life with her daughter and is a well-respected attorney. She's moving on. But when a new rash of homicides has her ex-husband, Eddie, written all over them - the nightmares of her past come back to life.

Private investigator Jessica Shaw is used to getting anonymous tips. But after receiving a photo of a three-year-old kidnapped from Los Angeles twenty-five years ago, Jessica is stunned to recognize the little girl as herself. Eager for answers, Jessica heads to LA’s dark underbelly. When she learns that her biological mother was killed the night she was abducted, Jessica’s determined to solve a case the police have forgotten.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.

Haunted by visions of the future, FBI Special Agent Laura Frost must tap her psychic talent to hunt diabolical serial killers—while keeping it secret from everyone around her. But with a ticking clock and lives on the line, might her visions lead her astray?