During the languid days of the Christmas break, a group of 30-something friends from Oxford meets to welcome in the New Year together, a tradition they began as students 10 years ago. For this vacation, they’ve chosen an idyllic and isolated estate in the Scottish Highlands - the perfect place to get away and unwind by themselves. They arrive on December 30, just before a historic blizzard seals the lodge off from the outside world. Two days later, on New Year’s Day, one of them is dead.

Snow is falling in the exclusive alpine ski resort of Saint Antoine, as the shareholders and directors of Snoop, the hottest new music app, gather for a make-or-break corporate retreat to decide the future of the company. At stake is a billion-dollar dot-com buyout that could make them all millionaires or leave some of them out in the cold. When an avalanche cuts the chalet off from help and one board member goes missing in the snow, the group is forced to ask - would someone resort to murder to get what they want?

Cal Hooper thought a fixer-upper in a bucolic Irish village would be the perfect escape. After 25 years in the Chicago police force and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But when a local kid whose brother has gone missing arm-twists him into investigating, Cal uncovers layers of darkness beneath his picturesque retreat, and starts to realize that even small towns shelter dangerous secrets.

When a woman is murdered in Blackdown village, newsreader Anna Andrews is reluctant to cover the case. Anna’s ex-husband, DCI Jack Harper, is suspicious of her involvement, until he becomes a suspect in his own murder investigation. Someone is lying, and some secrets are worth killing to keep.

Ed finally meets his daughter's boyfriend for the first time. Smart, successful and handsome, Ryan appears to be a real catch. Then Abbie announces their plan to get married. There's just one problem. Ed thinks Ryan is lying to them. All of Ed's instincts tell him his daughter is in terrible danger - but no-one else can see it. With the wedding date approaching fast, Ed sets out to uncover Ryan's secrets, before it's too late.... 

It was supposed to be the perfect holiday, dreamed up by Kate as the ideal way to turn 40: four best friends and their husbands and children in a luxurious villa under the blazing sunshine of Languedoc-Roussillon. But there is trouble in paradise. Kate suspects that her husband is having an affair, and that the other woman is one of her best friends. One of these women is willing to sacrifice years of friendship and destroy her family. But which one? 

When she stumbles across the advert, she's looking for something else completely. But it seems like too good an opportunity to miss: a live-in nanny position, with a staggeringly generous salary. And when Rowan arrives at Heatherbrae House, she is smitten by the luxurious 'smart' home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn't know is that she's stepping into a nightmare - one that will end with a child dead and her in a cell awaiting trial for murder.

Saffyre Maddox was 10 when something terrible happened; she's carried the pain of it around with her ever since. The man who she thought was going to heal her didn't, and now she hides from him, invisible in the shadows, learning his secrets; secrets she could use to blow his safe, cosy world apart. Owen Pick is invisible, too. He's 33 years old and he's never had a girlfriend, he's never even had a friend. Nobody sees him. Nobody cares about him. But when Saffyre Maddox disappears from opposite his house on Valentine's night, suddenly the whole world is looking at him. Accusing him.

Shay Miller wants to find love, but it eludes her. She wants to be fulfilled, but her job is a dead end. She wants to belong, but her life is increasingly lonely. Until Shay meets the Moore sisters. Cassandra and Jane live a life of glamorous perfection, and always get what they desire. When they invite Shay into their circle, everything seems to get better. Shay would die for them to like her. She may have to. 

You thought they were just staying for the weekend. They looked harmless enough - with only two suitcases and a cat in a wicker box. But soon things turn very, very dark. It happens slowly, yet so extraordinarily quickly. Now you and your sister must find a way to survive....

Hannah has done everything to make sure her life is safe and secure. A long way from her unstable childhood growing up in foster care, she’s content with her sweet, little, messy apartment and her satisfying job as a social worker. She quietly worries that, aged 36, she might never fall in love. But otherwise her life is where she wants it to be. Until, encouraged by her best friend to join a dating app, she meets Alex. He’s irresistibly handsome. He loves the same music as her. The same food as well. 

Janey Markham is thrilled to be moving with her family to Buckingham Crescent, the smartest address in a desirable suburban town. Worried she’ll be excluded by the glossy local mothers, Janey is thrilled when she meets Tanya, the kind of woman she has always looked up to. Tanya takes Janey under her wing and her teenage daughter, Angel, is amazing with Janey’s little boy. As Janey and Tanya grow closer, Janey feels she can finally leave her troubled past behind.  

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

Margot Lee's mother is ignoring her calls. Margot can’t understand why, until she makes a surprise trip home to Koreatown, LA, and finds that her mother has suspiciously died. Determined to discover the truth, Margot unravels her single mother’s past as a Korean War orphan and an undocumented immigrant, only to realize how little she truly knew about her mother, Mina.

An imposing, isolated hotel, high up in the Swiss Alps, is the last place Elin Warner wants to be. But she's taken time off from her job as a detective, so when she receives an invitation out of the blue to celebrate her estranged brother's recent engagement she has no choice but to accept. Arriving in the midst of a threatening storm, Elin immediately feels on edge. Though it's beautiful, something about the hotel, recently converted from an abandoned sanatorium, makes her nervous - as does her brother, Isaac.