When the eight-year-old daughter of an Oxford College Master vanishes in the middle of the night, police turn to the Scottish nanny, Dee, for answers. As Dee looks back over her time in the Master's Lodging - an eerie and ancient house - a picture of a high achieving but dysfunctional family emerges: Nick, the fiercely intelligent and powerful father; his beautiful Danish wife Mariah, pregnant with their child; and the lost little girl, Felicity, almost mute, seeing ghosts, grieving her dead mother. 

A regular weekday morning veers drastically off-course for a group of strangers whose paths cross in a London café - their lives never to be the same again when an apparently crazed gunman holds them hostage. But there is more to the situation than first meets the eye, and as the captives grapple with their own inner demons, the line between right and wrong starts to blur. Will the secrets they keep stop them from escaping with their lives?

Ursula is unable to face up to the tragedy that consumes her, her world has shrunk to an almost unrecognisable state. Then Alice, who’s in the first flush of her relationship with Simon who seems perfectly normal – except that he flinches at the slightest touch. And Gareth, who lives a humdrum life as he struggles to cope with his mum’s increasing dementia. She can’t remember much about her days – not even when a postcard from his long-dead father comes through the door. None of these three strangers have ever met, but their worlds will soon collide.

You're not who you say you are. Neither is she. She thinks she knows me. She believes my marriage is falling apart at the seams, that my husband can barely look me in the eyes. She thinks I’m desperate for a baby, that my longing for a family keeps me up at night. As much as I hate to admit it, all of this is true. She thinks I listen to her advice, that I care about her opinion. That couldn’t be further from the truth. Because she has no idea who I am. She has no clue that I know everything. I know her secret. I know that she did the unforgivable. I know how many lives she ruined.

Rachel is afraid she may have done something terrible. She's sitting in a room, being asked whether she killed someone. She doesn't understand how her life has changed so completely. When she was younger, heads would turn when she walked into a room. Her children needed her; her husband adored her. But somehow the years wore that all away. She was so busy raising her children, looking after her parents.... 

In Provence, under a sweltering sun, Sylvie returns to the crumbling family home of La Reverie. In her hand is the letter that summoned her, and by her side is Emma, her youngest daughter. Yet every corner of the house is haunted by the spectre of Elodie, her first child. Beautiful, manipulative Elodie, whose long-ago death the villagers still whisper about. Sylvie has tried to put the past behind her. But like the spreading forest fires, memories of Elodie seem to be creeping ever closer. Because there's a secret Sylvie has concealed about what happened to Elodie.

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.

She is an exceptionally successful writer whose obsessive readers hound her for every book. But the pressure is extreme. And it’s not just the pressure of finishing her next novel. Years ago when she was a child, Lucy’s little brother went missing and he has never been found. Many people think Lucy was responsible for his disappearance. Lucy herself can’t bear to think about it. Writing a thriller a year is demanding and Lucy depends on her husband Dan to take care of everything in her life. But Lucy finds herself in a real police drama when Dan goes missing.

A young woman turns up at a police station. She has been kept prisoner in her own home. Abused and tortured, her every move watched, her every thought controlled. Now she's finally escaped. That's what she says. But when the police arrive at the address she's given them, her story doesn't seem to add up. Her husband is missing, but his phone and wallet are still in the house. She says she's the victim, but what if she's not? What if the stories she's telling aren't her stories at all....

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.

It all started with one little lie.... Jane and Marnie have been inseparable since they were 11 years old. They have a lot in common. In their early 20s, they both fell in love and married handsome young men. But Jane never liked Marnie's husband. He was always so loud and obnoxious, so much larger than life. Which is rather ironic now, of course. Because if Jane had been honest - if she hadn't lied - then perhaps her best friend's husband might still be alive.... This is Jane's opportunity to tell the truth. The question is: Do you believe her?

At first Katherine dismisses her early-20s intern as a millennial ‘snowflake’: soft, entitled, moralistic. Yet as Lily’s youth and beauty increasingly remind Katherine of everything she once had, she starts to develop a dark fascination with her new colleague.But is Lily as perfect as she seems - or does she have a sinister hidden agenda? As Katherine is drawn into an obsessive power struggle with the intern, a disturbing portrait emerges of two women hiding dark secrets - and who are desperate enough to do anything to come out on top....

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.... 

When a body is pulled out of an office fire, three women are first in line for questioning. All of them have reasons for wanting revenge against the company’s CEO.It could be Laura, who has returned to work to find that her maternity cover isn’t leaving. The CEO insists he’s doing what’s best for the company. Laura isn’t convinced he’s telling the truth. Or there’s Mia. Brought in as temporary cover for Laura, she has quickly made herself indispensable - and popular with her colleagues.

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.