A young man, the son of an influential businessman, is discovered dead in his Central Aberdeen apartment. Hours later, a teenaged girl with no identification is found hanged in a suspected suicide. As DI Eve Hunter and her team investigate the two cases, they find themselves in a tug-of-war between privilege and poverty; between the elite and those on the fringes of society. Then an unexpected breakthrough leads them to the shocking conclusion: that those in power have been at the top for too long - and now, someone is going to desperate lengths to bring them down.

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?

Deborah Jenkins pulls her coat around her as she sets out on her short walk home in the pouring rain. But she never makes it home that night. And she is never seen again.

Four years later, an abandoned baby girl is found wrapped in dirty rags on a doorstep. An anonymous phone call urges the police to run a DNA test on the baby. But nobody is prepared for the results. The newborn belongs to Deborah. She’s still alive.

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.

Holly Wakefield works for the NHS as a criminal psychologist specialising in serial killers. She has particular reason to be good at her job - but she keeps that to herself. When DI Bishop from the Met Police approaches Holly to investigate a recent killing, Holly is horrified by the dismembered bodies and the way they have been theatrically positioned. More shocking still is when the pathologist reveals this is not the first time she has seen these mutilations. It means a serial killer is out there, and they're going to kill again - soon. 

Joanne Haynes has a secret: that is not her real name. And there’s more. Her flat’s not hers. Her cats aren't hers. Even her hair isn’t really hers. Nor is she any of the other women she pretends to be. Not the best-selling romance novelist who gets her morning snack from the doughnut van on the seafront. Nor the pregnant woman in the dental surgery. Nor the chemo patient in the supermarket for whom the cashier feels ever so sorry. They're all just alibis. In fact, the only thing that’s real about Joanne is that nobody can know who she really is.

To those who think they know her, Eliza Curran has it all: two healthy children, a stunning home and a wealthy, adoring husband. No one would guess the reality of her life: trapped in an unhappy marriage to a controlling man, she longs for a way out. When she takes on a new tenant, her life changes unexpectedly. Dan Jones is charming and perceptive, and quickly becomes a close friend to the whole family. But Dan's arrival threatens to tip Eliza's fragile world out of balance. And when someone has as many secrets as Eliza does, the smallest slip could destroy everything.

Aidan Poole logs on to his laptop late at night to Skype his girlfriend, Zoe. To his horror, he realises that there is someone else in her flat, and Aidan can only listen to the sounds of a violent struggle - and then the chilling sound of silence. Aidan is desperate to find out if Zoe is OK. But then why is he so hesitant to call the police? When his messages finally reach them, DCI Jonah Sheens and his team take the case - and discover the body.

As Detective Dan Lockhart is called to a wealthy London street to investigate Natasha’s death, he’s startled by the similarity to a previous case. Noticing the cable-tie restraints and the tiny scratches on Natasha’s wedding finger, Dan already knows what he will find if he looks in her mouth - the metal ball which choked her to death. Months earlier, Kim Hardy was found in the same position in a run-down hotel across the city - an identical silver ball in her throat. But Kim’s murderer was caught and sent to prison - did they arrest the wrong man?

Naomi seems to have everything. Behind the scenes, though, she and her husband are drifting from one another. Then, Naomi meets a parent at her daughter's nursery. Sean understands her, or so she thinks. Looking for a connection, she joins him at a swimming lesson with their children. That day, Naomi makes a terrible mistake. Weeks later, when Naomi attempts to contact Sean, he has disappeared without a trace. But as she begins to piece her life back together, it becomes clear that someone else knows her secret.

The brutal murder of 10-year-old Callum Bradley sent shockwaves across Scotland, but as the weeks have stretched on with no solid leads, the investigation has been scaled back. Sergeant Don Colyear, community police officer, is tasked with tying up a loose end: a 999 call which may have hinted at the boy's murder. However, the call was made three weeks before the crime took place. The caller turns out to be a resident at an Edinburgh care home, drifting in and out of lucidity due to dementia - enough to write off the potential lead as a dead end. 

On Sunday, February 3rd 1990, seven-year-old Danny Redpath disappeared from his home. Four months later, his body was found in the nearby forest, washed clean of all evidence. Over time, more bodies were discovered; more families devastated forever. Apprehended while attempting to abduct another child, Jonathan Egan-Walsh was charged with the murders of thirteen boys. Convicted on all counts, he received life in prison and went unrepentant, still refusing to reveal the whereabouts of one of his victims, Zachery Marshall.

Joe McKee – pillar of the Derry community - is dead. As arrangements are made for the traditional Irish wake, friends and family are left reeling at how cancer could have taken this much-loved man so soon. But grief is the last thing that Joe’s daughter, Ciara, and step-daughter, Heidi, feel. For they knew the real Joe - the man who was supposed to protect them and did anything but. As the mourners gather, the police do too, with doubt being cast over whether Joe’s death was due to natural causes.

On a beautiful island, under the Mediterranean sun, two families enjoy a well-deserved holiday. Then, one balmy evening, Emma's father is found unconscious on the sand. Everyone is hiding secrets. Who will you believe?

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.