Caroline twitches aside her curtains to see the new family moving in. A mother – beautifully dressed in expensive clothes – and two young children. Where is her husband, she wonders? And why are they moving in to the smallest house on the street? They really don’t seem the type. But Caroline believes it’s important to be welcoming. It’s important to know everything that’s happening on West Street.

When Megan loses her beloved husband, Rick, in a tragic car accident, she feels like it’s her own life that has ended. She feels too young to be a widow. Walking around the house that had been their home – so quiet without him – nothing feels the same. But at his funeral, she sees a face she doesn’t recognise. A heavily-pregnant young woman, with a sweet heart-shaped face that is somehow a little familiar. This stranger introduces herself as Emily, Rick’s estranged sister. She explains how she’s been searching for her brother for years, but she knows she’s too late now.

For two years Lucy and Sam renovated their beautiful Victorian home but spiraling debts are forcing them to sell. The agreement with their real estate agent is that they won’t be home for viewings, but when Lucy gets a voicemail saying the Agent is running late, she realizes she will have to show the prospective buyer around herself. Suffering from extreme anxiety and claustrophobia, Lucy watches the stranger on their doorstep waiting to be let in.

Lena just moved to Mandalay Close. She needed a new start, since her boyfriend cheated her out of the happy-ever-after she’d believed they were always going to share. But on the day Lena moves in, letters begin to arrive for all her new neighbours. Letters that promise to expose everyone’s deepest, darkest secrets. Every house has received one - except for Lena’s. Someone clearly wants to implicate her, to ruin her new life and turn everyone against her. She’s made an enemy, but who, and why?

On the last day of school, my friends and I gather on the beach to celebrate the long summer ahead. Sipping cans of warm cider and watching campfire embers dance into the inky sky, I don’t think I’ve ever been happier. Until a scream pierces the night. The next morning, we find shy newcomer Pippa on the beach, sandflies gathering on her lifeless body…

Nat did something bad. Very bad. But she's not that person anymore. She has a new name and a new life, and no one, not even her husband Brett, knows what she did. She's desperate to keep it that way. When they escape the city to move to their dream home in the suburbs, it seems that life can't get any better. They quickly become friends with new neighbors Fen and Darius, and Nat begins to believe that she can finally put the past behind her. Until the letter arrives.

Josie always forgets what she's done when she’s drunk. There are huge black holes where her memories should be, and that's why she’s not going to drink anymore. She might not remember everything, but she knows she’s different when she drinks. She becomes someone that she doesn't like.

Sarah Westfield is unhappily married to perfect husband Nick. Handsome, devoted and kind, he should be the ideal man for her, but Sarah knows their marriage is the biggest mistake she’s ever made…and she wants out. But then Nick offers her one last chance to make their marriage work – a baby. Sarah is horrified – a baby would tie herself to this man forever…wouldn’t it? Or could it be exactly what she needs?

Hannah Parker is a woman who always gets what she wants. When her current husband discovers she has been lying to him – again - she knows it’s time to move on and find someone who can give her the life she desires… The life she knows she deserves. But who will be the lucky man? When her eye catches a glimpse of an old flame in a photograph, she’s sure it’s a sign.

Camille Prescott has it all. A doting husband, two children, a charming home in a seaside enclave, and a beautiful, fixed smile that exudes normalcy. But behind her polished mask lurks a much different Camille—one with a padlocked vault of secrets. Raised by a vindictive and psychotic woman, Camille has gone to great lengths to bury her past and for good reason: if her mother ever finds her, she will kill her.