Emma can’t sleep. It’s been like this since her big 4-0 started getting closer. Her mother stopped sleeping just before her own fortieth birthday. She went mad and did the unthinkable because of it. Is that what’s happening to Emma?

When Rachel moves into a new apartment with her young daughter, Lily, it’s with a huge sense of relief. After escaping an abusive marriage, this perfect downtown fourth-floor rental, within minutes from the lake, feels like the new beginning the two of them deserve. But soon handwritten letters begin to arrive for someone called Annie. Alex says she was just the tenant who lived there before, who moved out one day without a word. Tentatively Rachel opens the first letter, intending to return it to the sender. 

When Maggie sees the beautiful Venetian blinds moving in the Caldwells' front window, she freezes. Her favorite neighbors Cady and Josh are away, so who is in their house? The pretty young woman who answers the door tells a convincing story. She's Sarah. The house-sitter. Just here for a month. An old friend of Cady's who needed a place to stay. She's pleasant and warm, and Maggie wanders back to her house thinking she might have made a new friend. Yet she can't help but wonder why Cady never mentioned Sarah.

Christine and Jessica cross paths working at the advertising agency Christine runs with her husband. These two women are about to uncover the dark secrets of their own traumatic pasts. But they have no idea that they are connected. The shocking truth of what happened at the wedding all those years ago, and what became of Margaret, is going to blow their lives apart in more ways than each of them could ever have imagined....

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

Zoe didn't meet her daughter the way most mothers do. She finds five-year-old Maddie alone and dirty on a countryside road. Frightened for Maddie's safety, she picks her up and takes her back to her father, not knowing what she's about to step into. Because Maddie wasn't just lost; she was there to lure her serial killer dad's new victim. After escaping from the clutches of Maddie's dangerous father, she bonds with the little girl. Only Maddie knows what it was like to be at that house. And when no family members come forward to claim Maddie, Zoe decides to adopt her. 

Dani and her husband Tate’s life together is almost perfect. But Dani is haunted by guilt for causing a terrible car accident that left her unable to have children. She can’t remember why she was driving so fast that day or where she was going. Her therapist says she should try to move on.

As part of her recovery from a devastating car accident, Grace Thomas embarks on a surprise cruise booked by her husband, Cameron. The accident still haunts Grace and she is a little anxious to be leaving her family, but excited to fulfil what has been a life-long dream of hers - cruising around the Mediterranean with some girlfriends - even if her husband's secretary, Chantelle, is tagging along for the trip. Maybe this is a chance to start a fresh with this woman. But Chantelle appears to be everywhere Grace turns, and her instincts can’t all be wrong. 

By the time I realized the truth about Daniel, it was too late. But the truth about me? He never saw that coming.... Dr. Daniel Ashcroft was perfect: handsome, romantic, protective. I thought I was so lucky. But then I heard the rumors about his previous girlfriend, that she had vanished without a trace. That’s when I found the cameras in my apartment. I was trapped. Daniel made it clear I couldn’t leave him, not without risking everyone I loved. I had to disappear, so I arranged my own kidnapping. I should have known Daniel would never let me get away that easily.

It’s the phone call every mother dreads. I’m climbing into the car after a trip to the grocery store. As the engine starts, my phone rings. It’s my stepdaughter, Shelby, who is babysitting my three-year-old Millie. "I only went upstairs for a second," she says through her sobs. "She’s gone." When the police turn up, Shelby’s story starts to unravel. What is she hiding? Then I get a message saying, "Your husband is not who you think he is." Suddenly, my family feel like strangers. Everyone has a secret - even me. 

Lauren is thrilled to escape her old life in London for a fresh start in the countryside with her partner, Paul, and her two stepchildren. Haunted by her past, Lauren knows how lucky she is, in her dream home with her ready-made family. She also knows how much she stands to lose. But as Lauren struggles to adjust to motherhood, Paul becomes increasingly distant and as village rumours begin to swirl about the fate of the house's previous occupants, Lauren's fears grow. 

Grace and Justin have been trying for a family for years. So when Grace finally announces that she’s pregnant, she isn’t prepared for Justin’s reaction. Why does he act so strangely? Why does he leave and never return? Two years later, while at the seaside with baby Daniel, Grace sees Justin - who is desperate to come home but can’t reveal the reason he left. However, Grace, too, is harboring a secret, one that won’t just hurt Justin - but will destroy him completely. One thing is certain: their secrets will be exposed.

The day my path crossed with Simon Fox I thought I’d already lost everything, but then he almost ran me off the road with his flash car and belittling jibes. The men in my life had undermined me for too long. Enough was enough. Fuelled by alcohol and the desire to get even, I decided a spot of petty vandalism would make me feel a whole lot better. Wrong. Very wrong. I hadn’t realised that Simon Fox was not a man to be messed with.

Her life is about to change—if she survives the road trip. Driving the I-40 coast-to-coast was never on Cora Dalton’s bucket list, until the day she finds out she has inherited a house in New York from a grandmother she has never met. Terrified of flying, Cora talks her best friend, Adele, into accompanying her on what they think will be a rip-roaring fun, 10-day road trip. But when they pick up a teenage runaway at a gas station with a dark and disturbing past, things begin to go awry.

In need of an escape from her failing marriage, Nia agrees to house-sit her aunt’s cottage on the Isle of Wight. She feels sure the cosy close in a quaint harbour town will be a safe place to hide and figure out what to do next. But things are not all as they seem in the close, and the neighbours who welcome her with open arms, are keeping secrets. When Nia finds the body of one of her new friends lying on the beach, she feels sickeningly sure that the killer is dangerously near to home.