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. 

Clare is ready for a break. It's been a tough year and now she wants to put her feet up. Arriving at the Italian villa for their summer holiday, she decides it's high time her husband and his family did some of the work. After all, her husband owes her.... Now her brother-in-law Jamie has brought a wife, someone none of them have met before. Ella is everything Clare isn't. Glamorous. Young. Influential. But she knows a secret about Clare. Something that has the power to break the whole family apart.

It was supposed to be the happiest day of her life. Zoe was sitting in her hotel room, in her perfect white dress, looking forward to the moment when she would make kind, handsome Toby her husband. Then, there was a blank. They said she must have fainted, overcome with emotion. But nothing felt quite right afterward. Did something happen in that missing time? 

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.  

Tia never harmed anyone. So why does someone want to destroy her? Tia is walking home with her children, along the lakeside of their quiet, safe town, when she realizes something is wrong with her five-year-old daughter, Rosie. She seems troubled, not at all her usual happy self. But when Tia finally coaxes Rosie to open up, she wishes she hadn’t. Because her sweet daughter asks a question Tia never thought she’d hear. "Mummy, why did you kill someone?"

They say she’s guilty. She says she’s not. Who do you believe? "Help me! Help me, please!" When Jenna hears the cry in the park one night, she feels she has no choice but to run and help. Cradling the injured woman in her arms, the attacker nowhere to be seen, all Jenna wants is to keep her alive until the ambulance arrives and for the ordeal to be over. But the nightmare begins when the victim wakes up...Jenna’s relief turns to horror when the finger is pointed at her. There must be some mistake: She’s never seen the woman before in her life, and Jenna tried to save her life.

There's Bella, stay-at-home mum of Teddy. She suffered postpartum psychosis after Teddy's birth. There's Chrissy, divorce lawyer, married to Russell. They're having some problems with their sex life. There's Electra, mother to twins, who is struggling with her son's behaviour. There's Skye, a single mother, who used a sperm donor to have her baby. Then there's Jen. She was supposed to be a mother, but it hasn't worked out like she expected.

One hot summer night, 15-year-old Olivia comes home late from a party she was strictly forbidden from going to, and she and her mother, Hannah, start arguing. Soon Olivia speaks the words that every parent has heard from their teenage child.

I nearly threw the letter about the inheritance away with the recycling. Late for work, worrying about how I would afford new school shoes for Kate, I just assumed it was a mistake. But perhaps moving to a new home in a quiet seaside town would be the fresh start we both need. Away from the school bullies making Kate’s life a misery, and out of the clutches of my dangerous ex. 

A windowless shack in the woods. Lena's life and that of her two children follows the rules set by their captor, the father: meals, bathroom visits, study time are strictly scheduled and meticulously observed. He protects his family from the dangers lurking in the outside world and makes sure that his children will always have a mother to look after them. One day Lena manages to flee - but the nightmare continues. It seems as if her tormentor wants to get back what belongs to him.... 

When single mother Darcy’s son falls from a rope bridge at a local playground, life stands still. She clutches his small, limp body, frozen, until a pair of strong hands push her aside, and she watches as George, a local doctor, saves her son’s life. George, with his twinkling hazel eyes, easy charm and lack of wedding band is almost too good to be true, but coffee becomes lunch, lunch becomes dinner, and soon they can’t go an evening without seeing each other.

Thirty-two-year-old Jessica is newly divorced and has returned home to live with her parents whilst she puts the pieces of her life back together. But Jessica isn't the only one with problems, as her mother, Jean, has recently been diagnosed with dementia. Shortly after Jessica's arrival, one of the neighbours falls to her death, in what appears to be a terrible accident. However, Jean claims that the woman was murdered by her husband and that she witnessed the whole thing.

Kat remembers the days when her only daughter Amy wouldn't leave her side. But now Amy is grown up and gone - to university in a town several hours away. Kat's house - which once felt too full, too noisy, too busy - is deathly quiet, and Kat awaits the daily phone call to tell her that her beloved daughter is thriving and happy. But one day Amy doesn’t call. Kat’s husband and friends think she is being paranoid. But Kat knows right away that something is very wrong.

Claire and Eva lead very different lives, but they have one thing in common - they are both in huge danger and need to disappear. A chance encounter at the airport presents the two women with a simple but crazy solution: switch places and then drop off the grid when they land. But one woman will never reach her destination. 

It is Erin’s 40th birthday party. Pink and silver balloons drift through her garden, the platters of food are empty and the recycling is overflowing with empty wine bottles. Erin mingles with groups of family and friends, surrounded by love and laughter. Then a little red envelope lands on the doormat and everything changes. Inside is a birthday card from somebody she never dreamed would get in touch. Its message is a chilling reminder of the dark past that Erin has worked so hard to bury, a past that could put her precious family in terrible danger....