It’s been 12 years since Sandi Parkman went missing after being dropped off at home by her schoolmate, Nick Larson, now the Sheriff of Freeport, Michigan. When a construction crew unearths Sandi’s bones - along with Nick’s letterman jacket and one of his hairs - Nick becomes suspect number one in the murder.

After a harrowing experience with an obsessed patient, oncology nurse practitioner Leigh Weston needed a change. She thought she'd left her troubles behind when she moved home to Carrington, North Carolina, and took a job in the emergency department of the local hospital. But when someone tampers with her brakes, she fears the past has chased her into the present. She reaches out to her high school friend turned homicide investigator, Ryan Parker, for help. Ryan finds satisfaction in his career, but his favorite way to use his skills is as a volunteer underwater investigator.

Katie LeClair has finally settled down as the new doctor in Baxter, Michigan. After years of moving, schooling, and training, she wants nothing more than to find a place she can call home, and a small town outside of Ann Arbor seems perfect. Katie quickly gets to work in building a life for herself in Baxter, and beyond reviving her love life, she also finds a pair of business partners in a team of father and son family practitioners. But that idyllic dream is immediately shattered when one of her patients is found dead.

Young Anna Travis has been assigned to her first murder case - a series of killings that has shocked even the most hardened of detectives. They started eight years ago – now the body count is up to six. The method of killing is identical, the backgrounds of the girls identical - all drug-users and prostitutes. Then a seventh body is found. The modus operandi is the same - but the victim is a young student with the 'face of an angel'. The profile of the murderer has changed dramatically.

When pregnant Saffron Cutler moves into 9 Skelton Place with boyfriend Tom and sets about renovations, the last thing she expects is builders uncovering a body - two bodies, in fact. Forensics indicate the bodies have been buried at least 30 years. Nothing Saffy need worry herself over. Until the police launch a murder investigation and ask to speak to the cottage's former owner - her grandmother, Rose. Rose is in a care home, and Alzheimer's means her memory is increasingly confused. She can't help the police, but it is clear she remembers something.

Competitive skier Mindy Wright is a superstar in the making until a spectacular downhill crash threatens not just her racing career but her life. During surgery, doctors discover she’s suffering from a severe form of leukemia, and a stem cell transplant is her only hope. But when her parents are tested, a frightening truth emerges. Mindy is not their daughter. 

Sarah Quinlan's husband, Jack, has been haunted for decades by the untimely death of his mother when he was just a teenager, her body found in the cellar of their family farm, the circumstances a mystery. The case rocked the small farm town of Penny Gate, Iowa, where Jack was raised, and for years Jack avoided returning home. But when his beloved aunt Julia is in an accident, Jack and Sarah are forced to confront the past that they have long evaded.

Jack Warr is a young DC with the Metropolitan Police. Charming but aimless, Jack can't seem to find his place in the world - until he's drawn into an investigation that turns his life upside down. In the aftermath of a fire at a derelict cottage, a badly charred body is discovered, along with the burnt remnants of millions of stolen, untraceable bank notes - the hidden legacy of Dolly Rawlins and her gang of Widows. Jack's assignment to the case coincides with an investigation into his own past.

The only magic Emma Hart believes in is caffeine and the power of the dryer to lose one sock per load. A public interest lawyer buried under a mound of student debt, Emma's whole life has been one turn of bad luck after another. Her streak seems to continue when she gets lost on the way to see a client in the remote Pocono Mountains. A chance encounter with a suicidal angel lands her in Spellbound, a town where supernaturals have been cursed to remain for centuries - probably not the best time for Emma to discover that she's actually a witch.

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.

Nicole Cutty and Megan McDonald are both high school seniors in the small town of Emerson Bay, North Carolina. When they disappear from a beach party one warm summer night, police launch a massive search. No clues are found, and hope is almost lost until Megan miraculously surfaces after escaping from a bunker deep in the woods. A year later the best-selling account of her ordeal has turned Megan from local hero to national celebrity.

It is a cold January morning and Shetland lies buried beneath a deep layer of snow. Trudging home, Fran Hunter's eye is drawn to a vivid splash of colour on the white ground, ravens circling above. It is the strangled body of her teenage neighbour Catherine Ross. The locals on the quiet island stubbornly focus their gaze on one man – loner and simpleton Magnus Tait. But when police insist on opening out the investigation a veil of suspicion and fear is thrown over the entire community. For the first time in years, Catherine's neighbours nervously lock their doors, whilst a killer lives on in their midst.

In 1973 Jane Tennison, aged 22, leaves the Metropolitan Police Training Academy to be placed on probationary exercise in Hackney, where criminality thrives. We witness her struggle to cope in a male-dominated, chauvinistic environment, learning fast to deal with shocking situations with no help or sympathy from her superiors. Then comes her involvement in her first murder case. No one witnessed the savage beating of a tragic young girl who, the postmortem reveals, was pregnant when she died.

During Garrett Addison's first week on the job as a criminal investigator for the Tennessee Bureau of Investigation, his team is called out to a murder scene of a young girl. She's the third victim in a string of disappearances with one thing in common - a Polaroid photo of each victim left behind at the crime scene. The FBI is pulled into the case to help, and Garrett finds himself working with Special Agent Jordan Lambert, the woman he once loved.

The summer after she graduated from high school, Gin Sullivan's sister, Lily, went missing. Her family fell apart, not to mention her relationship with her high school sweetheart, Jake. Now, almost 20 years later, Gin is living in Chicago and working as a medical examiner when she gets the call that a body's been found in the woods outside her small hometown. It's Lily's. As Gin examines her sister's remains, she uncovers a shocking truth that could change everything - if it doesn't kill her first.