In a patch of forest on the outskirts of a small town, five teenage school friends prepare to spend a night away from home. Carrying their tents and sleeping bags, they laugh and joke as they make their way into the darkest part of the woods, away from prying eyes. But as the sun rises the following morning, only four are left alive. 

The morning of the anniversary of Jess’s disappearance starts like every other for her sister Kate—a rushed school run, a cold cup of coffee, and a quick scan of the news for updates. But when her phone beeps with a message from an unknown number, everything changes. I know what happened to Jess. Finally, Kate’s a step closer to getting answers to the questions that have tormented her for so long. Why was her mother so angry that day? How did her father sleep through his own daughter’s abduction?

Marissa lives alone in her tiny one-bed apartment. It’s quiet and safe; all she’s ever wanted since the night her mother was killed in front of her. But when the police knock on her door with the news that her last remaining family member has been murdered, she comes face-to-face with the trauma she has spent a lifetime running from.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

For decades the Moore Asylum was home to the forgotten children of Brooklyn Bay. But ever since a scandal forced its closure, the abandoned building has cast an imposing shadow. Until now - when an elderly man is found dead, his body strapped to an ancient gurney. Detective Lucy Harwin, still reeling from a previous case that ended in the devastating murder of a mother and her child, finds herself on the trail of a killer ruthlessly fixated on avenging the asylum's wrongs.

Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

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.

When the danger is already inside, nowhere is safe… Highton prison sits nestled within the moors of western Cumbria, close to the coastal road. When two former inmates turn up dead, DI Kelly Porter is tasked with finding out why. It soon becomes obvious that she is hunting for one killer and the place where both victims were incarcerated holds the key. As Kelly delves into life at Highton she finds more questions than answers. A web of corruption and deceit emerges within the prison walls.

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.

Meet Zoe Finch, West Midlands Police's newest Detective Inspector. She's outspoken, ambitious, and damaged. And she's working a case that could make her career, or cost her everything...Fresh from the success of the Canary investigation into depravity and corruption at the highest levels, she's attracted attention. Not least from Assistant Chief Constable Bryn Jackson. But when Jackson is brutally murdered on the night of his retirement party, Zoe is dragged into a case that's deeply personal.

A young woman is brutally attacked on her way home. It looks like she was the victim of a jilted—and twisted—ex-lover. But then two more women, also engaged to be married, are found dead. The press call the killer the "Surrey Stalker". And there’s a stack of similar cold case files. The pressure is on for young, ambitious DI Rob Miller. But with all the time he’s spending at the office, Rob’s also running a fine line trying to keep his fiancée, Yvette, onside as they try to plan their wedding.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.

DI Amy Winter is hoping to follow in the footsteps of her highly respected police officer father. But when a letter arrives from the prison cell of Lillian Grimes, one half of a notorious husband-and-wife serial-killer team, it contains a revelation that will tear her life apart. Responsible for a string of heinous killings decades ago, Lillian is pure evil. A psychopathic murderer. And Amy’s biological mother. Now, she is ready to reveal the location of three of her victims - but only if Amy plays along with her twisted game.

Maddie and Kiara have been best friends since they met on their first day at university. They have always shared everything with each other--everything except one big secret, which Kiara knows would tear them apart…. When the police knock on Maddie’s front door as she and husband Nick are getting ready for the morning school run, she’s not expecting to hear what they have to tell her. Kiara is dead.

Detective Erika Foster is on a late-night walk near her new house in Blackheath when she stumbles upon the brutal murder of Vicky Clarke, a true-crime podcaster. Erika is assigned to the case and discovers that Vicky had been working on a new podcast episode about a sexual predator who preys on young female students around South London, staking out his victims in their halls of residence before breaking in at the dead of night.