Three years after the tragic death of her wonderful husband, Charlene continues to mourn. As she struggles to pick up the pieces of her shattered life, she meets Samuel. Handsome and educated, this charming man is the perfect suitor, and Charlene slowly lets her guard down and opens her heart to him. But Samuel is not the man he appears to be. He has a dark compulsion—and an even darker secret. When he begins acting strangely, Charlene suspects something is wrong. Her fears only grow when she notices she's being followed. 

What are the chances of meeting your double? Impossible, Jess used to say, until the day she met hers on a train. But although they looked like identical twins, their lives couldn’t be more different. Jess has no money, no job and few prospects; her double has a fabulous life and everything that anyone could possibly wish for. Jess is envious of her double but reasons that it’s just the way life is; that’s the way of the world and there’s nothing she can do to change it. Her boyfriend, Mac, has other ideas.

Widow Kelly Carlsen has been through a lot since the death of her husband three years ago. Reported to the police for murder by her vindictive mother-in-law, she was suspected of poisoning her husband, jailed away from her son, and nearly went to prison before an autopsy proved her husband died of an undiagnosed nut allergy. 

Kate has always dreamed of a life in music. And now she's finally done something about it–giving up her steady job, moving to the city to enrol in a degree program at a prestigious college. Needing a place to live, she answers an ad and moves in with Amy who seems a nice lady–mothering and protective. At first Kate is glad to have some support in this strange city, but gradually Amy's presence becomes more and more stifling–it just seems so hard to get away from her. 

Rina Kent was the new hot shot psychiatrist at Holy Saints ward. She also recently married the love of her life, who's also a doctor at the same hospital. Rina felt on top of the world, until one of her patients committed suicide. Rina knows it was her fault. A year later, her marriage has already gone down in flames. All she has left is her patients, but she's lost her confidence to help them.

Nadia Morgan has everything she ever wanted: a nice house, three wonderful children, and a loving husband. Even running two businesses only adds to her feelings of accomplishment. But she also has a dark secret. Something happened twenty years ago that she's been trying to forget about ever since. Some things can't be left in the past… A phone call from an old acquaintance sets off a series of terrible events that lead to tragic consequences for those involved and has Nadia questioning her sanity.

Tamsin recently married renowned composer Robin Featherstone. Robin is much older, but Tamsin doesn’t care—she’s in love. And she knows Robin loves her too, even if he is very close to another young woman—his assistant, Mia. Meanwhile, Robin’s ex-wife and grown children aren’t happy—they’re sure Tamsin is a gold-digger and Mia is an opportunist. Then, when Robin suddenly dies, the family’s worst fears are realized: Tamsin stands to inherit everything. But when the will is read, its contents are beyond shocking. 

When Gina advertises for a lodger, she never expects her childhood best friend to turn up at her door. What could be better, she reasons, than having a lodger who she already knows rather than a total stranger? As they rekindle their friendship, Gina recalls the long ago summer when they spent every day together. Gina believed then that they’d be best friends forever.

The Clarke family—Penny, Rod and their two young boys—are delighted when they are offered a holiday in a high-end guest house on a remote and beautiful island. Their hostess Anna seems like a lovely woman. But what the Clarkes don’t realise is that this is no random invitation, that Anna has carefully selected the family to satisfy her own sinister agenda. Penny soon begins to sense there’s something off about Anna. She often speaks about her husband and son, but is it odd that they are both away? And that Anna seems perfectly content to be alone in this isolated place?

Chelsea Jameson married the perfect husband, but he doesn't like to talk about his past. She finds out why when his parents invite them to stay at their off-the-grid cabin in the woods. His mother dominates his life, even though her only son is in his thirties. Her mother-in-law creates conflict and tries to manipulate her husband against Chelsea. When Chelsea discovers more about her husband’s parents, dark family secrets are unearthed, revealing the truth. This is not a regular visit to the in-laws.

Millie has just served a long sentence for a murder she didn’t commit. It’s her identical twin sister Eve who was the killer...and the person who framed her. Millie is willing to forgive Eve and hopes they can still be loving sisters. But when she is released, instead of welcoming her, Eve coldly rejects her. Now Millie only wants one thing: revenge.

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.

Alex and Natalie seem to have the perfect life. But Alex is haunted by terrible events from his childhood. He thought he'd escaped his past, but lately it's been surfacing in the terrifying nightmares that plague his sleep. As Alex's behavior becomes increasingly strange, Natalie fears the worst. Has he been keeping things from her? And who is the mysterious Sheryl he calls out to in his dreams? She is determined to save their marriage by digging up the truth no matter what it costs.

After being gone for two decades, Maddy’s half sister, Emily, is back in town to settle their late father’s estate. Emily’s not the troubled girl Maddy remembers from their volatile childhood. Apparently, all is well. It can’t possibly matter anymore that Maddy married Emily’s first love, but the pictures Maddy finds on her husband’s phone tell a different story. Suspicions of an affair are hard to ignore. 

I know I’m lucky. I have a stunning Cheltenham apartment and a charming weekend cottage in Devon. Chris, my partner, is kind and supportive. He loves me in spite of my scars—the result of a childhood incident I don’t talk about. Most of all, I love my job, helping young women with eating disorders. But I can’t help everyone, as I tell Kyle Stannard. Kyle was once a top male model—before he was left horrifically scarred in a random attack. Kyle thinks we’re the same, but I can’t help him with his problems. It’s not my field. Then creepy things start to happen.