One dark secret. One act of revenge. When Emma Joseph met her husband, David, he was a man shattered by grief. His first wife had been killed outright when her car veered off the road. Just as tragically, their six-year-old daughter mysteriously vanished from the scene of the accident. Now, six years later, Emma believes the painful years are behind them. She and David have built a new life together and have a beautiful baby son, Ollie.

When your life is a lie, who can you trust? When Maggie Taylor accepts a new job in Manchester, she is sure it is the right move for her family. The children have settled well, although her husband, Duncan, doesn’t appear to be so convinced. But nothing prepares her for the shock of coming home from work one night to find that Duncan has disappeared, leaving their young children alone. His phone is dead, and she has no idea where he has gone or why.

Don't let him under your skin. He'll destroy you. Don't fight him. He'll win. Run. Never let him find you. I thought I was safe here, but I'm not. I've stayed too long. Now Genevieve is dead and the police are on their way. It's time for me to go. I must stick to the plan - the one I made the day I arrived in this city. My bag is packed. It always is. I will destroy every shred of evidence of my existence. The police must never find me. If they do, so will he. I made a mistake and someone had to die. But I'm the one who has truly lost her life.

Eighteen months after Natalie Gray loses her husband, Bernie, in a horrific hit and run accident, she finds love with his best friend, Ed Cooper, and moves into his home with her teenage daughter, Scarlett. But she begins to suspect Ed has a dark side - and even darker intentions. Natalie must get her troubled child to a safer place, but when Scarlett starts to hear voices coming from the empty apartment next door it seems she has unwittingly moved them into the heart of danger.

When Olivia calls the police to report that her husband and children are missing, she believes she will never see them again. Two years later,Detective Chief Inspector Tom Douglas is called to investigate, but this time it’s Olivia who has disappeared. Her car is in the garage, and her purse is in her handbag. For some reason every single picture of this family has been removed from albums, phones, and computers. Then they find the blood...

Some doors should not be opened. Some can never be closed. Jo Palmer’s peaceful and happy life is about to end. Ash - the man she loves - will be arrested by the police. Millie - her precious daughter - will be taken from her. She will lose her friends. She will doubt her sanity. Someone is stealing everything Jo loves, and will stop at nothing. But right now, Jo is laughing in her kitchen, eating dinner with her family, suspecting nothing. It’s raining outside. There’s a knock at the door. They are here. 

Yesterday, Scott was dead. Today, he’s back. And Anna doesn’t believe in ghosts. Scott was Anna’s boyfriend. She loved him, but he ruined her life. When he died, she should have been free, but today Scott is on the radio, threatening to spill her secrets. Anna is a mother, a wife, and head teacher of a primary school. And she’s a good liar. She made one mistake, and now she is having to pay for it. Scott is the only person who knows the truth about her past, but how can he be alive? 

Cleo knows she should be happy for her brother Mark. He's managed to find someone new after the sudden death of his first wife - but something about Evie just doesn't feel right...When Evie starts having accidents at home, her friends grow concerned. Could Mark be causing her injuries? Called out to their clifftop house one night, Sergeant Stephanie King finds two bodies entangled on blood-drenched sheets. Where does murder begin? When the knife is raised to strike, or before, at the first thought of violence?

When a body is discovered at a popular Highland landmark, it seems like just another day on the job for DCI Jack Logan and his team. Except this body is missing a very vital component, and given its location - The Well of Seven Heads - it seems like someone is trying to send a message. But why? And to whom? 

But no one was married that day. Now Lucas has invited us back to celebrate the anniversary. But the anniversary of what? The wedding that never happened, or the tragedy that occurred just hours before the ceremony was due to begin? He's told us that tonight he has planned a game. We have our costumes, we have our parts, and everyone must play. The game, he tells us, is about to begin. What does Lucas want from us? What are we not being told? And what's going to happen when this terrible game is over? 

In a busy shopping center, a little girl clutches a teddy bear, clinging to it in the absence of her mother, Katrina. Hours later, Katrina’s body is discovered in an abandoned building. For Detective Kim Stone, it looks like a quick, functional murder. But Kim’s instincts tell her there’s more to this senseless murder than meets the eye. What was the motive for killing a young mother out shopping with her child? 

When a young man is found frozen to death on a Highland street in mid-December, DCI Jack Logan initially puts it down to a Christmas night out gone tragically wrong. But, when a postmortem reveals something more sinister, Jack discovers he is dealing with a cold, calculating killer with a long line of victims, a talent for torture, and a perverse sense of justice. 

When the body of a young woman is found, tied to her bed and the victim of a brutal attack in her own home, Detective Morgan Brookes is sickened by what she finds as she searches the house, and unprepared for the nightmares it inspires about her childhood. When the DNA collected gives a positive ID, Morgan can’t wait to put the attacker behind bars. But the person it matches to is already in prison. How could the DNA of someone who has been locked up for over 20 years have shown up in Morgan’s crime scene? And then they make another close match - to Morgan herself.

A victim? Or a killer? One icy cold morning, the remains of a woman are discovered. She has been abused, then butchered. DI Kelly Porter knows this is the work of a monster. One who has killed before - and will do so again. Kevin Flint is a young man with no friends and a reputation for being odd. He explores the hidden corners of the Lake District and likes to creep and watch. He witnesses depravity and it excites him. But will he cross the line from bystander to perpetrator?

Detective Megan Thomas hoped that moving to Devon would mean a quiet life. Her years undercover in London left her broken and alone, unsure if she would ever recover. Slowly, she’s learning to work with a team and trust other people. But when her sister, Debbie, finds the body of local businessman Greg Porter, that peace is shattered. Porter’s wife and children don’t seem entirely grief-stricken, and his business dealings are not all they appear to be. So why are the police so determined to focus on Debbie?