One little girl. Mirabelle’s mother loves her. She’s her ‘little doll’. Mother dresses her, paints her face and plaits her hair. But as Mirabelle grows, the dresses no longer fit quite as well, the face paint no longer looks quite so pretty. And Mother isn’t happy. Two little girls. On Mirabelle’s 13th birthday, Mother arrives home with a present - a new sister, five-year-old Clarabelle, who Mother has rescued from the outside world. But Mother only needs one.

Lee, southeast London. A young girl has disappeared. There are no witnesses, no leads, no clues. The police are tracking a shadow, and time is running out.... DI Ellen Kelly is at the top of her game - at least she was, until she took the law into her own hands and confronted her husband's killer. Now she's back at work, leading the investigation into the missing child. Her superiors are watching her; the distraught family is depending on her. Ellen has a lot to prove. And she knows it.

Holly Mayhew has the perfect family. But when she notices her seven-year-old daughter, Marley, becoming withdrawn and secretive, she sets up a solution. Holly creates a “worry box”, where Marley can post her innermost thoughts. But as the worry box fills up, Marley’s notes threaten everything Holly thought she knew about her daughter. What is Marley not telling her, and why is she so scared?

The last time Katy saw Jude was on a school trip: Jude was attacked by a stranger, and Katy ran away. Twenty years later, Jude is back, and her reappearance coincides with a series of unsettling incidents: a stranger appears in the downstairs flat, Katy's house is vandalized, her mother is mugged, and her home ransacked. Jude also seems to know an uncomfortable amount about Katy's current life.

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.

Eight-year-old Grace is last seen in a sweetshop. Her mother, Emma, is living a nightmare. But as her loved ones rally around her, cracks begin to emerge. What are the emails sent between her husband and her sister? Why does her mother take so long to join the search? And is there more to the disappearance of her daughter than meets the eye?

When 11-year-old Evan vanishes without trace, his parents are plunged into their worst nightmare. Especially as the police, under massive pressure, have no answers. But months later Evan is unexpectedly found, frightened and refusing to speak. His loving family realise life will never be the same again. DI Naylor knows that unless those who took Evan are caught, other children are in danger. And with Evan silent, she must race against time to find those responsible....

When ex-soldier-turned-teacher Jenni Wales sees 15-year-old Destiny's black eye, she's concerned. Destiny isn't your average student: she's smart, genius IQ smart, and she's in care. But concern turns to fear when Jenni witnesses an attempt to abduct Destiny from school. With social services and the police not taking the threat seriously, Jenni does the only thing she can think of to keep Destiny safe: she takes her. But the men that are after Destiny are close behind them. What can Destiny know that would make them hunt her? And can Jenni keep her safe? 

On the day of Henry and Keelin Kinsella's wild party at their big house, a violent storm engulfed the island of Inisrun, cutting it off from the mainland. When morning broke, Nessa Crowley's lifeless body lay in the garden, her last breath silenced by the music and the thunder. The killer couldn't have escaped Inisrun, but no-one was charged with the murder. The mystery that surrounded the death of Nessa remained hidden. But the islanders knew who to blame for the crime that changed them forever. 

It’s Julia’s wedding day. Her nerves are to be expected - every bride feels the same - but there’s another layer to her fear, one that she cannot explain to her soon-to-be husband, Mark. She’s never told him the details - and she is determined he never finds out. As she begins down the aisle, spotting Mark in his tailored suit, she knows she is taking her first steps to happiness - her past is behind her, it can’t catch her now. Mark turns to face her. But it isn’t Mark in the beautiful suit - it’s his best man. Because Mark is missing.

Joshua's uncle has survived a near fatal accident and Rose and Joshua drive to Newcastle to visit him, along with their friend Skeggsie. Joshua is convinced they are being followed. Can it be true, or is it just his paranoia? And then the precious murder notebooks are stolen. Somebody out there really does not want Rose and Joshua to find their parents. But who? And why?

Following the death of her mother, Becky begins the sad task of sorting through her empty flat. Starting with the letters piling up on the doormat, she finds an envelope post-marked from Cornwall. In it is a letter that will change her life forever. A desperate plea from her mother's elderly cousin, Olivia, to help save her beloved home. Becky arrives at Chynalls to find the beautiful old house crumbling into the ground and Olivia stuck in hospital with no hope of being discharged until her home is made habitable.

Vivienne Shager has it all. A high-flying job. A beautiful apartment. Friends whose lives are as perfect as her own. But on the afternoon of her 27th birthday, Vivi has a heart attack. Now Vivi’s life shrinks back to how it began, as she moves back to the small seaside town she grew up in. With her time running out, there is one thing she wants to know the truth about.

Four people walked into the dining room that night. One would never leave. Matthew: the perfect husband. Titus: the perfect son. Charlie: the perfect illusion. Rachel: the perfect stranger. Charlie didn’t want her at the book club. Matthew wouldn’t listen. And that’s how Charlie finds himself slumped beside his husband’s body, their son sitting silently at the dinner table, while Rachel calls 999, the bloody knife still gripped in her hand.

It’s been 192 days, seven hours and 15 minutes since her last drink. Now Astrid is trying to turn her life around. Having reluctantly moved back in with her mother, in a quiet seaside town away from the temptations and painful memories of her life before, Astrid is focusing on her recovery. She's going to meetings. Confessing her misdeeds. Making amends to those she's wronged.