Four students travel to Ravencliffe, an eerie abandoned hotel perched on steep cliffs on the Welsh coast. After a series of unexplained accidents, only three of them leave. The fourth, Leo, disappears, and is never seen again. A decade on, the friends have lost contact. Oscar is fame-hungry, making public appearances and selling his story. Richard sank into alcoholism and is only just recovering. Bex just wants to forget – until one last opportunity to go back offers the chance to find out what really happened to Leo.

Six friends travel to a remote island north of the Scottish Highlands for an old school reunion. They’ve rented the Lighthouse—a stunning, now abandoned building that was once notorious for deaths at sea. On the first evening, someone goes missing. The group search all through the night to no avail. But when the five remaining friends return to the lighthouse early the next morning, they are shocked to find James inside. He’s looks terrified—but won’t say a word about where he’s been.

New Year’s Eve, 2023. When Hannah and her friends rent a luxury yacht in an Italian marina, they party in style under the stars until they pass out. The next morning, they are horrified to find they have been cut adrift into the open ocean, with no sight of land and no fuel in the engine. And that’s when the first person goes missing.

When the gold-rimmed invitations arrive through the doors of best friends Simone, Hannah and Vicky they're instantly taken aback. Their ex-friend Jodie is inviting them to a lavish Mediterranean villa to celebrate her birthday. They haven't spoken in years since she betrayed them in the worst way. So how did they make the guest list? They all have their reasons for saying yes. Stay-at-home mum Simone had her dream job snatched away. Hannah lost the love of her life. Café-owner Vicky wants the chance to help a wronged friend. Is the reunion a chance to confront Jodie and the past?

This holiday is the first time my husband Jeff and I have been on our own in years, and I want it to be a fresh start. We can walk along the beach, eat ice cream in the bright Spanish sun, and fall in love again.

Summer, 2000. In the tranquil town of Queen's Point in southern Australia, the Whitlam family marks the end of every season with a lavish party in their clifftop mansion. Here, clutching her first glass of real champagne, the summer breeze intoxicating on her skin, sixteen-year-old Lucy Ross is kissed for the very first time. And then, in the shadows of the rose garden, she sees something she shouldn't.

Mila and her husband Ethan are on their way to her sister’s wedding at a luxurious ski resort. As they drive through the mountains, surrounded by snow covered forests, Mila feels like everything is finally going to plan. When the car engine suddenly stops and won’t start again. Stranded, with night closing in, they make their way on foot back to where they saw a sign for some cabins. When they finally reach them, they find the windows boarded up and the buildings in disrepair. They have the eerie sense they shouldn’t be there.

During a New Year’s Eve party on a large cruise ship in the Caribbean, the ship’s dancer, Lola, disappears. The ship is searched and the coastguard is called, but there is no sign of her, either dead or alive. Lola was popular on the ship but secretive about her background, and as the mystery around her deepens, each passenger becomes a suspect. Who was she arguing with the night she vanished? Why did she come aboard the cruise in the first place? What was she running from?

At her surprise 40th-birthday party, Kate Granger feels like the luckiest woman in the world but just hours later her fifteen-year-old daughter, Caily, is found unconscious underneath a bridge when she should have been at school. Now, Caily lies comatose in her hospital bed, and the police don’t believe it was an accident. As the investigation progresses, it soon becomes clear that not everyone in the family was where they claimed to be at the time of her fall. Caily should be safe in hospital but not everyone wants her to wake up.

Despite the uncomfortably claustrophobic quarters and rapidly dropping temperature, Christa believes they'll be safe as they wait out the storm. She couldn't be more wrong. Deep in the night, their tour guide goes missing...only to be discovered the following morning, his severed head impaled on a tree outside the cabin. Terrified, and completely isolated by the storm, Christa finds herself trapped with eight total strangers. One of them kills for sport...and they're far from finished.

After ten years, Sarah and her husband Roshan are looking forward to catching up with their closest school friends. So when one of them invites the group to spend a week in a beautiful converted church, they eagerly accept. Very quickly though, Sarah becomes unsettled. She is frightened by the church’s creepy surroundings, and she thinks she might be seeing ghosts. Even more disturbing, a masked woman is committing armed robberies in the area – and the police can’t catch her.

My name is Nora Logue. You’ve probably heard of me – most people have. I am the mother of Daisy Logue. Seven years ago, I took her for a walk in the woods. Only I came out. I have no memory of what happened that day. I have tried to rebuild my life. Met a man, had another child – Luca. But I can’t let go of Daisy, or give up hope of seeing her again. And now, I have the chance to find out what happened to her. But what if pursuing the truth about my daughter risks my son’s life?

Summer, 2022. When Meg and Cat are forced to take a dangerous shortcut home one night, they notice two men silently following them. Suddenly running for their lives, they scramble into an abandoned building to hide and wait for help. One year later. Attempting to escape the horrors of that fateful night, Meg barricades herself into a safehouse at the edge of a crumbling sea cliff. As a storm rages outside, a blackout plunges the house into darkness. But Meg’s not alone.

On a locked ward in the world’s highest-security prison hospital for the criminally insane, a nurse has been murdered and her newborn baby kidnapped. A ransom must be paid, and the clock is ticking. Forensic profiler Dr Connie Woolwine is renowned for her ability to get inside the mind of a murderer. Now she must go deep undercover among the most deranged and dangerous men on earth, and use her unique skills to find the baby–before it’s too late.

The five of us have been friends since we were children. We think we know every scar, every secret, every story. But by the third night, one of us will be dead. How far will we go to keep our secrets hidden? And when does being close to someone start becoming dangerous?