When Abby's doctor tells her she's two months pregnant, she doesn't believe him. She can't be - she hasn't had sex for over a year. But to her astonishment and dismay, multiple tests confirm it's true. Desperately searching for an explanation, Abby recalls New Year's Day - the terrible hangover, the hole in her memory where the night before should have been and the inexplicable sense of unease - and realises that this baby must have been conceived at her best friend Danny's NYE party.

What I thought I knew: in 1998, Maryanne Doyle disappeared, and Dad knew something about it. Maryanne Doyle was never seen again. What I actually know: in 1998, Dad lied about knowing Maryanne Doyle. Alice Lapaine has been found strangled near Dad's pub. Dad was in the local area for both Maryanne Doyle's disappearance and Alice Lapaine's murder.

A perfect family or a perfect lie? When Jo's teenage daughter goes missing, she feels like the world is collapsing around her. Has Grace been taken, or have recent tensions between mother and daughter driven her away? With little urgency from the police, who have dismissed Grace as a teenage runaway who will soon return home, Jo takes matters into her own hands. But as she gets closer to discovering what has happened to Grace, it looks like the Jo's deepest, darkest secret is about to be uncovered, and it could destroy everything she holds dear.

Jarlath 'Jar' Costello's girlfriend, Rosa, committed suicide when they were both students at Cambridge. Jar is obsessed with the idea that Rosa is still alive and is tormented by disturbingly real sightings of her. When a startling discovery convinces him more than ever that these are not just hallucinations, Jar is thrust into the heart of a larger intrigue that may finally shed some light on Rosa's death.

Kate and Lauren. Sisters who are always there for each other. But as they gather for their weekly Sunday lunch, a knock on the door changes everything. The new arrival, Jess, claims to be their half-sister, but that would mean the unthinkable. That she’s the secret daughter of their beloved, recently deceased father, Harry. Their mother, Rose, is devastated and Kate and Lauren refuse to believe Jess’ lies. But as the fall-out starts, it’s clear that each is hiding secrets and that perhaps this family isn’t as perfect as they appear.

Marin used to have it all. Married to the love of her life, she owns a chain of upscale hair salons, and Derek runs his own company. They're admired in their community and are a loving family - until their world falls apart the day their son Sebastian is taken. A year later, Marin is a shadow of herself. The FBI search has gone cold. The publicity has faded. She and her husband rarely speak. With her sanity ebbing, Marin hires a Private Investigator to pick up where the police left off. 

Hannah Riley and her musician husband, Will, hope that a move to the Suffolk countryside will promise a fresh start. Hannah, a human rights worker, is desperate for a child and she hopes that this new life will realise her dream. Yet when the snow comes, Will is working in London and Hannah is cut off in their remote village. Life in Tornley turns out to be far from idyllic: Who are the threatening figures who lurk near their property at night? And why is her neighbour so keen to see them leave?

On a wet Monday in January, Jess Mount receives the devastating news that she hasn't got long left to live. She doesn't hear it from a doctor, though. She discovers it when her Facebook timeline skips forward 18 months and family and friends start posting tributes to her - following her death.

Julia and Livy have always told each other everything, turning to each other when life gets difficult. So when Julia is found dead in her home, Livy cannot accept the verdict of suicide. Livy sets out to prove that Julia was murdered, but digging into Julia’s private life will cause her to question everything. The truths that Livy discovers will tear the very fabric of her own life apart.

Pete Riley is a stay-at-home dad; his partner, Maddie, works in advertising. After Pete drops two-year-old Theo off at nursery one morning, he's politely accosted by a man who looks just like Theo. The man, Miles Lambert, breaks the devastating news that Theo is in fact not Pete's son, but his - the two babies got mixed up at hospital and Miles and his wife, Lucy, now have the Rileys' son at home. They've already carried out DNA testing to prove it.

You see the people you work with every day, but what can't you see? Amira, Sarah, Paula, Ewan and Charlie have worked together for years - they know how each other likes their coffee, whose love life is a mess, whose children keep them up at night. But their comfortable routine life is suddenly shattered when an aggressive new boss walks in.... Now there's something chilling in the air. Who secretly hates everyone? Who is tortured by their past? Who is capable of murder?

A tragic family event reveals devastating news that rips apart Bella's comfortable existence. Embarking on a personal journey to uncover the truth, she faces a series of traumatic discoveries that take her to the ruggedly beautiful Cornish coast, where hidden truths, past betrayals and a 25-year-old mystery threaten not just her identity but her life.

On the hottest day of the year, Caroline Harvey is found dead in Suffolk. Her body is found draped over a cot - but the baby she was looking after is missing. Hundreds of miles away, Siobhan Dillon is on a luxurious family holiday in France when her husband, Callum, is arrested by French police on suspicion of murder. As Siobhan’s perfect family is torn apart by the media in the nation’s frantic search for the missing baby, she desperately tries to piece together how Callum knew Caroline.

Emily Jacobs, a nurse, is in hospital for a minor operation. When she wakes in the night, woozy with anaesthetic, she sees the doctor trying to resuscitate the woman in the bed next to her. In the morning, she is told that she must have had a nightmare. The bed has been empty all along.... When Emily returns to work, she discovers a bracelet that she believes belonged to the missing woman. Soon, she becomes convinced that her colleagues are hiding a terrible secret. What if she's wrong? What if her own troubled past has affected her more than she knows? But what if she's right?

Be careful what you wish for. On the surface, Callie Harwell has it all. Newly married to James, she finally gets the family she has longed for and becomes a mother to his two sons. So why is she arrested for murder? Things are not as Callie hoped they would be and she struggles to be accepted as part of James' family, and to keep hidden the secrets that could destroy her future.