Erin is a documentary filmmaker on the brink of a professional breakthrough, Mark a handsome investment banker with big plans. Passionately in love, they embark on a dream honeymoon to the tropical island of Bora Bora, where they enjoy the sun, the sand, and each other. Then, while scuba diving in the crystal blue sea, they find something in the water....

April Clarke-Cliveden was the first person Hannah Jones met at Oxford. Vivacious, bright, occasionally vicious, and the ultimate It girl, she quickly pulled Hannah into her dazzling orbit. Together, they developed a group of devoted and inseparable friends—Will, Hugh, Ryan, and Emily—during their first term. By the end of the year, April was dead.

He's posted on your wall. He's following you on Twitter. He knows where you are right now.... When Amy receives an email from her older sister, Becky, announcing that she's off travelling and 'don't try to find me', she is worried. Becky would never do such a thing on a whim. Amy - who is recovering from an abusive relationship that has left her terrified of love - soon finds that Becky had started using online dating sites. Aided by Becky's neighbour, Gary, Amy sets about tracking down the men her sister had dated.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

Alex Dale is lost. Destructive habits have cost her a marriage and a journalism career. All she has left is her routine: a morning run until her body aches, then a few hours of forgettable work before the past grabs hold and drags her down. Every day is treading water, every night is drowning. Until Alex discovers Amy Stevenson. Amy Stevenson, who was just another girl from a nearby town until the day she was found unconscious after a merciless assault. Amy Stevenson, who has been in a coma for fifteen years, forgotten by the world.

Early one morning on the shore of the Thames, DCI Samuel Owusu is called to the scene of a gruesome discovery. When Owusu sends the evidence for examination, he learns the bones are connected to a cold case that left three people dead on the kitchen floor in a Chelsea mansion thirty years ago. Rachel Rimmer has also received a shock—her husband, Michael, has been found dead in the cellar of his house in France. All signs point to an intruder, and the French police need her to come urgently to answer questions about Michael and his past that she very much doesn’t want to answer.

Newly married Natasha has the perfect house, a loving husband, and a beautiful little girl called Emily. She’d have it all if it wasn’t for Jen, her husband’s ex-wife who just won’t leave them alone. Then Natasha returns home one day to find her husband and Emily gone without trace. Desperate to get her daughter back, Natasha will do anything even if it means accepting an offer of help from Jen.

Every morning and evening, Zoe Walker takes the same route to the train station, waits at a certain place on the platform, finds her favorite spot in the car, never suspecting that someone is watching her. It all starts with a classified ad. During her commute home one night, while glancing through her local paper, Zoe sees her own face staring back at her - a grainy photo along with a phone number and a listing for a website called FindTheOne.com.

It was supposed to be the trip of a lifetime, a final adventure before settling down. But after a perfect start, an encounter with a young couple on a night train forces Daniel and Laura to cut their dream trip short and flee home. Back in London, Daniel and Laura vow never to talk about what happened that night.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

At 39, Manon Bradshaw is a devoted and respected member of the Cambridgeshire police force, and though she loves her job, what she longs for is a personal life. Single and distant from her family, she wants a husband and children of her own. One night, after yet another disastrous Internet date, she turns on her police radio to help herself fall asleep - and receives an alert that sends her to a puzzling crime scene.

When Andrew Sumner meets beautiful, edgy Charlie, he is certain his run of bad luck has finally come to an end. But as the two of them embark on an intense affair, Andrew wonders if his grasp on reality is slipping. Items go missing in his apartment. Somebody appears to be following him. And as misfortune and tragedy strike his friends and loved ones, Andrew is forced to confront the frightening truth.…

Lynn Naismith gave up the job she loved when she married Ed, the love of her life, but it was worth it for the happy years they enjoyed together. Now, 10 years on, Ed has been diagnosed with early onset dementia, and things start to happen - things more sinister than missing keys and lost words. As some memories are forgotten, others, long buried, begin to surface...and Lynn’s perfect world begins to crumble. But is it Ed’s mind playing tricks, or hers....?

It was the job she had dreamed of since childhood. But on her very first day, when an unnerving encounter drags up memories Sophie Greenwood would rather forget, she wonders if she has made a mistake. A fatal mistake. What is her ambitious young assistant really up to? And what exactly happened to Sophie's predecessor? When her husband and daughter are pulled into the nightmare, Sophie is forced to confront the darkest secrets she has carried for years.

Alice: beautiful, kind, manipulative, liar. Clare: intelligent, loyal, paranoid, jealous. Clare thinks Alice is a manipulative liar who is trying to steal her life. Alice thinks Clare is jealous of her long-lost return and place in their family. One of them is telling the truth. The other is a maniac. Two sisters. One truth.