Hannah’s life is almost perfect. She’s a mother to two young children and married to successful cardiologist Daniel. The only thing missing is a project of her own. So she pours heart and soul into converting their stone barn into a holiday rental. Things take a dark turn when Mike and Nadia come to stay. They are noisy, dirty, and disrespectful. Hannah is incensed by their behavior, worried they may wreck her barn. But she realizes that property damage is the least of her worries. Nadia and Mike aren’t here just for a holiday—they have a deeper, darker purpose.

Holly never thought she'd move back to her hometown, but then something terrible happened. She doesn't know if she can recover. But she knows she can never tell another soul. People say her neighbour, David, is 'different'. He doesn't go out much, and never after dark. But in David, Holly finds just what she needs: a friend. Someone who's always there. No-one knows Holly's secret or where she lives. She has left the past behind. So why does she feel as though she's in terrible danger?

For Helen and George, the remote fixer-upper in Cornwall was supposed to be a dream home, and a way to leave behind the problems they’re both running from. But something about the place feels wrong from day one. And why does Helen have a creeping feeling she’s seen this house before?

I know my daughter better than I know myself, and if there’s one thing I know for sure at this moment it's that Maisie is not okay. My ex-husband, Shaun, and I are still friends. We would do anything for our beautiful little girl, Maisie. But now Shaun has moved in with Joanne, and suddenly Maisie has a brand-new family. And there’s something not quite right about it.... I know Joanne isn’t everything she says she is. Yet no-one will listen. I need to discover what she’s hiding. Because if I don’t, my daughter will be in terrible danger.

After her own mother mysteriously disappears, seventeen-year-old Alicia turns up on her godmother's doorstep and asks if she can stay. Carina can't say no to the godchild she hasn't seen in over a decade. And in a way, Alicia is the daughter she always wanted—she's so smart and driven, and definitely scholarship material. Carina is only too happy to help this brilliant young woman achieve her full potential. But husband Don and children Tegan and Arthur aren't so sure. There's something about Alicia… Is she just too good to be true?