Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Twenty-five years ago Joseph Wyatt was convicted for the drowning of two university students. Released from prison, Wyatt has disappeared and bodies are being found in the water. When DCI Lambert’s boss goes missing, the clock starts ticking and Lambert knows he has seven days left.

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 a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

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.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

DS Whitney Walker wants a promotion, but it’s hard when she’s trying to balance motherhood with a career. When a newborn baby is kidnapped from the local hospital, she draws on her skills as a mother to help. Despite being ordered not to, and when the leads are going nowhere, Walker enlists the help of a local journalist who’s convinced it’s the work of an international baby smuggling ring. Walker’s plan backfires and she fears they’re running out of time.

Psychologist Margot Scott has a picture-perfect life: a nice house in the suburbs, a husband, two children and a successful career. On a warm spring morning Margot approaches one of her clients on a busy train platform. He is looking down at his phone, with his duffel bag in hand as the train approaches. That’s when she slams into his back and he falls in front of the train. Margot’s clients all lie to her, but one lie cost her family and freedom.

Twenty-two-year-old Olivia has been missing for one day…and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get.

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

When a young woman is found brutally murdered in her own apartment with an intricate pattern of lines carved into her face, Copenhagen police detectives Jeppe Korner and Anette Werner are assigned to the case. Soon, they establish a link between the victim, Julie Stender, and her landlady, Esther de Laurenti, who’s a bit too fond of drink and the host of raucous dinner parties with her artist friends. Esther also turns out to be a budding novelist - and when Julie turns up as a murder victim in the unfinished mystery she’s writing, the link between fiction and real life grows.

DI Kate Young is on leave. She’s the force’s best detective, but her bosses know she’s under pressure, on medication and overcoming trauma. So after her bad judgement call leads to a narrowly averted public disaster, they’re sure all she needs is a rest. But when Staffordshire Police summon her back to work on a murder case, it’s a harder, more suspicious Kate Young who returns. With a new ruthlessness, she sets about tracking down a clinical, calculating serial killer who is torturing victims and leaving clues to taunt the police.

Ciara and Oliver meet in a supermarket queue in Dublin and start dating the same week COVID-19 reaches Irish shores. When lockdown threatens to keep them apart, Oliver suggests they move in together. Ciara sees a unique opportunity for a relationship to flourish without the scrutiny of family and friends. Oliver sees a chance to hide who - and what - he really is.

Serial killer Neva has been conditioned not to ask questions of the mysterious Network, to remain perfectly incurious and perennially cold-blooded. She must simply execute the targets they text her and live to bury the tale. But then she’s tasked with terminating a fellow assassin and glimpses her own future in her colleague’s fate. When she leaves flowers on the gravesite, someone notices.