Fifteen years ago, a serial killer was on a rampage murdering young women in Middlehampton. Then, suddenly, the killings stopped, and the murderer was never found… So when the body of another young woman is found bearing the twisted killer’s unique hallmark—the overpowering stench of lavender and an origami heart—DS Kat Ballantyne knows this can only mean one thing: the killer is back.

Seventeen-year-old Theodora Briggs left home in the dead of night, after a brutal crime shattered her life. Thirteen years later, she’s made a name for herself as Gemma: beautician, wife, and mother. But the trauma still lingers… And then one day, it’s more than just a phantom pain. Gemma is suddenly accosted by stranger after stranger, all of whom seem to know the truth about her. They confront her with her real name and ominous allusions to the tragedy that drove her out of town. When her family begins to have their own strange episodes, Gemma is rattled.

Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

When secretary Annie Parkes is snatched from the street outside of her workplace, David Kane is tasked with finding her. Strong, highly skilled, and secretive, he’s a loner and an outsider; the only man the military trust to find Annie before her kidnappers make good on their promise to kill her. But as Kane pulls Annie from a derelict building, gunshots ringing through the deserted streets around them, he realizes rescuing her is just the beginning. He needs to keep her close to find out who is behind her capture, and to keep her safe.

Former NSA agent Eve Wicker has faced many hardships and tragedies in life. Needing to be closer to her ailing father, Eve takes a position as her hometown Sheriff. A position she never imagined would open many old wounds from her past. When she receives a phone call about a body in the woods, She drives up to the crime scene. There, she grabs the attention of the town’s mountain recluse. Roman Pike, a big burly ex-marine who’s as abrasive as he is brash.

The beautiful young woman is perfectly still, curled up in the trunk of the car, her long dark hair hiding her face. Her cotton blouse has ridden up a little, revealing two small dots an inch apart on her back. Just like the others. Guilt has kept FBI Agent Tori Hunter away from her home in Manchester Bay, Minnesota for 20 years, ever since her twin sister disappeared on the Fourth of July, when the girls should have been together. But when she receives an anonymous newspaper clipping about another missing girl, Genevieve, Tori is dragged back to the past.

Ten years ago, fifteen-year-old Scarlett Crosby was held captive in a terrifying ordeal with a girl named Della. Scarlett escaped, their predator was killed, and Della simply vanished. Detective Kevin Dawson always wondered if Della even existed. A decade later, Scarlett is a successful artist. As hard as she tries to move on, the mysterious Della remains her inescapable obsession. Then a girl’s body is discovered—a link to Scarlett’s horrific past—and all her old traumas resurface. So does Della.

When a young red-haired woman is found brutally murdered in downtown Chicago, one detail stands out: the red lipstick encircling her wrists and ankles. Detective Harriet Foster is on the case, even though she’s still grieving the sudden death of her partner. As a Black woman in a male-dominated department, Foster anticipates a rocky road ahead acclimating to a new team—and building trust with her new partner isn’t coming easily. After another victim turns up with the same lipstick markings, Foster suspects she’s looking for a serial killer.

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.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

Barely a month since his promotion to Inspector, DI Ford is called in to investigate the murder of a young nurse and her son in a small flat in Salisbury. There are few clues, and no apparent motive, but Ford can sense that there's a serial killer at work. After all, he knows from brutal personal experience how killers cover their tracks.... It's been six years since Ford lost his wife in a climbing accident - an accident he caused. He is desperate to keep the truth hidden, especially from his son, Sam.

Twenty years ago Emily Mills's father was murdered, and she found his body hanging in the backyard. Her younger sister, Madison, claims she was asleep in her room. Her older sister, Tara, claims she was out with friends. The tragedy drove their mother to suicide and Tara to leave town forever. The killer was caught. The case closed. Ever since, Emily and Madison have tried to forget what happened that night - until an eerily similar murder brings it all back.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

DS Rakesh Siyal is an idealist. Frustrated as an Edinburgh human rights lawyer, he joins the police, determined to solve the problems he sees with the criminal justice system from the inside, rather than out. His first day as a cop sees him sent down to Galashiels in the Scottish Borders, where he’s given a simple task – return a suspect to Glasgow to face justice.

What happens at the cabin stays at the cabin. Right? Andrew Harrison “Harry” Leonard is destined for politics. Getting his start on the Rochester City Council, he quickly rose to become the youngest representative in Congress. Now the up-and-comer from Minnesota is on the brink of something big. If all goes well, he’ll be in perfect position to aim for the presidency.