It is past 10 o’clock on a cold Friday night when Rebecca and her husband Jack’s doorbell rings. Outside is a woman who introduces herself as Jack’s ex-girlfriend, Cara. And she’s holding the hand of a shivering, blue-eyed, four-year-old girl who she claims is Jack’s daughter. Rebecca is shocked to discover he has a child from his last relationship - even one he hadn’t known about. Because becoming parents isn’t part of their life plan.

When Hannah met David, it was love at first sight. They were married quickly, but she knew it was the right choice. They're always laughing, the passion is unmatched, and they want the same things. Most of all, they both want a family. For David, it's doubly important. He tragically lost his first wife, Katherine, several years before. Hannah is, he says, the person who saved him from his grief. Although his friends worried he was moving on too fast, and Hannah sometimes still feels a strange jealousy towards his first wife, deep down she knows she's meant to be his happily-ever-after.

"I would do anything for you to get well again, baby girl." It’s a promise. Even though I know it means asking her father for help, going back there, risking everything. Whatever the cost, there’s no hesitation in my mind. Because that’s what you do when you’re a mother. You put your child’s life before your own.

Will I have the chance to explain to little Erin why I had to go? Even if I do find the strength to return, what will my mother have told her? Only one person really knows what happened and why I had to do what I did. I know the truth will come out some day. I don’t expect forgiveness. The only thing I hope is that my family can survive the fallout....

It is a day that starts like any other day. It’s cold outside, but the sun is shining. It feels like a day that is full of hope. But two mothers’ lives are about to come crashing down when Samantha gets a call saying her 15-year-old daughter, Keira, has been hurt and is in a coma. And then Julia’s daughter, Grace, comes home covered in blood, refusing to speak. Once, the two girls had been best friends and completely inseparable. But eventually the girls had drifted apart. Now their lives have collided again. And Julia is forced to ask herself: What could Grace be hiding?

Ever since Ruby was tiny, she has been unique. Her smiles are magically rare, and she likes things done in a very particular way - her blocks are always color-coded, and her toy animals stand in regimented lines. She’s also the daughter of Sara’s dreams - even on days when being a mother to a three-year-old is exhausting. Not everyone understands Ruby like Sara does though. Not Sara’s husband Mike, and certainly not her disapproving mother-in-law, Barbara. So when circumstances force their family to move in with Barbara, Sara knows it’s going to make motherhood even harder.

When Shelley first met Greg, her life had been full of possibility. A whirlwind romance, a dream wedding, moving into their first house together, thinking about starting a family.... But now, it’s 10 years since their wedding. Greg has gone. And there’s a room in the house where Shelley has shut a baby blanket away. She’s been managing to hide from her past. Until one day, everything changes. She sees the couple moving in next door, giggling as they walk up the path to their new home. The woman is pregnant. It’s like she has everything that Shelley has lost.

When Emily’s husband dies in a terrible accident, she’s not the only wife he leaves behind. Before their whirlwind romance and Emily’s discovery she was pregnant, Pete had been married to Caroline for more than 20 years. A devastating tragedy had torn them apart. But there was a part of Pete that had never fully left his first wife and a secret that would bind them together, forever. Finding herself lonely, heartbroken, and forced to face life and motherhood alone, Emily knows she needs someone she can trust and rely on. Even if it’s the woman her husband loved before her.

Jess needs a fresh start. She’s broke and alone, and she’s just left her job under less than ideal circumstances. Her half-brother Ben didn’t sound thrilled when she asked if she could crash with him for a bit, but he didn’t say no, and surely everything will look better from Paris. Only when she shows up – to find a very nice apartment, could Ben really have afforded this? – he’s not there.

When Ellie and her family move to a tiny village in rural Wales, it’s meant to be a new beginning for all of them. They have decided to take over her husband’s family inn, leaving behind their old life and troubles in America.

Nathan West loved his wife Laura with all his heart. But now she’s gone, taken from him in a seemingly random act of violence. Laura was the glue that held their family together. And for Nathan, life without her feels almost meaningless. As he tries to find hope in the darkness, his three young daughters express their grief in different and challenging ways - with one set on a path of self-destruction that could devastate their family all over again.

Rachel’s worst nightmare comes true when a rare auto-immune illness leaves 4-year-old daughter Emily in a coma the doctors say she may never come out of. And Rachel has to make a heartbreaking decision - one that her ex-husband, Emily’s dad James, doesn’t agree with. Terrified she’s going to lose her daughter for good, Rachel knows she must find a way to keep the hope alive for Emily. But there is only one person she can turn to for help to convince James - and it’s his new wife, Eva.

I didn’t plan to fall pregnant, but when I found out, I was overjoyed. Even though I’d be going it alone, I swore I’d give my baby everything they needed. But I didn’t know who the man I met on that sweltering summer night, the father of my child, really was. I decided to keep his secret to protect the innocent…but then my beautiful baby was born with a rare illness, desperately needing a transplant.

It’s a warm, early summer’s evening, when Mia’s doorbell rings unexpectedly. She opens the door to see the silhouette of a teenage girl, standing in the shadow beyond the porch light - and in an instant, she realizes who it is. Daisy, the daughter she gave up as a baby. She says she has a terrible secret. And she believes the only person who can help her is Mia. Her birth mother. Mia, however, has secrets of her own. Ones that she is afraid to let Daisy or anyone else know.

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.

Claire Carmichael leads a charmed life. She has two beautiful sons, Jamie and Joshua, and a handsome and successful husband who loves her. Even when she was in school, Claire had it all. She was clever, likeable, and after passing the initiation tests, she was welcomed into the society of popular girls - the Queen Bees. So when a scandal threatened to ruin Claire's reputation, the Queen Bees closed rank to protect her, no matter who else got hurt. Claire may have moved on from her school days, but for one person who she hurt irreparably, those memories are as fresh as blood.

After eight years together, Lil Bailey thought she’d already found ‘the one’ - that is, until he dumped her for a blonde 20-something colleague. So she does what any self-respecting singleton would do: swipes right, puts on her best bra and finds herself on a first date with a handsome mountaineer called Max. What’s the worst that can happen? Well it’s pretty bad actually. First Max ghosts her and then, after weeing on a stick (but mostly her hands), a few weeks later Lil discovers she’s pregnant.

Angela was just a baby when she was abandoned, and a children's home is no place to grow up. When manager Ray takes girls off to his 'den' in the garden, they always come back crying.... So, when wealthy couple James and Rosemary come to choose a child to adopt, Angela is desperate to escape. Years later, Angela starts to search for her birth mother, Evelyn, hoping to heal the scars of her childhood. But strange and sinister events start to unfold. And Evelyn fears she may not survive her daughter's return.

Sophie Chesterton is London's "It Girl". She knows all the right people, goes to all the right parties, and wears all the right clothes...and her rich parents pay for everything. But deep down she suspects that her best "friends" - and her posh lifestyle - are nothing but shallow fakes. Then one evening Sophie's life takes a shocking, drastic turn, and her father decides it's high time for the party girl to make her own way in the world.

When Mimi Huish visits her dad at his new home in the Cotswolds, she immediately falls in love with the eccentric and charming inhabitants of his new community. And when she meets the seriously gorgeous, charismatic Cal Mathieson, Mimi begins to daydream about trading in her city life for country living. But even though Mimi and Cal feel like they might be soul mates, fate (and bad timing) keeps pulling them apart.

A recent transplant from sunny California, life in the London suburbs is not what Taylor Watson expected. Far from the West End shops and city lights she imagined, she finds herself pregnant and lonely, with a husband frequently away on business and only social media to keep her company. It’s only after Taylor joins a book club and a walking group, that she finally starts to make some real-life friends. Before long, Taylor’s hanging out with Anna, Sarah, Simon, and Caroline, but, as her pregnancy progresses and her friendships blossom, a sense of unease develops.

Meet Tom. Or Dr O’Grady, as he used to be called. When you pass him on the street, most people don’t even give him a second glance. You see, Tom isn’t living his best life. Burdened by grief, he’s only got his loyal dog, Bette Davis, for company and a rucksack containing his whole world. Then there’s Ruth and her son, DJ, who no longer have a place to call home. But Ruth believes that you can change the world by helping one person at a time - and Tom needs her help. There are a thousand ways to find your home - you just need to be brave enough to look for them.

Lisa’s dated a series of disastrous men; Simon’s loved and lost the girl of his dreams. She’s hoping fate might intervene in her love life; he’d prefer that it stopped meddling with his. Today, they’re meeting, courtesy of the local paper’s ‘Blind Date’ feature - but while Lisa’s looking for that elusive ‘spark’, Simon’s sure lightning doesn’t strike twice. Will theirs be a love that’s written in the stars, or merely another mismatch written up in the Gazette?

Named after the lager that christened her at birth, Stella's life is characterised instability and neglect. Her teenage mother abandons her in the first few weeks of her life, and left in the 'care' of her father, she ends up lying deserted in a house with no food, no water, no clothes and no warmth. She eventually lands in the care of foster carer Louise, who is determined to change her life for the better.

As a professional bridesmaid, Sophie is hired by London brides to be their right-hand woman, posing as a friend but working behind the scenes to help plan the perfect wedding and ensure their big day goes off without a hitch. When she’s hired by Lady Victoria Swann - a former model and “It Girl" of 1970’s London; now the Marchioness of Meade - for the society wedding of the year, it should be a chance for Sophie to prove just how talented she is.