Becky and Jamie are an ordinary hard-working couple trapped in the daily grind, dreaming of an easier life. On one of their rare vacations, they meet Phil and Mel, a wealthy couple who seem to have it all—they're fun, well-traveled, and very generous with their money. But they are also very, very dangerous. Phil and Mel are not who they say they are, and this is no random vacation friendship.

Amanda is a hardworking single mum, completely focused on her job and her daughter, Louise. She’s been saving for years, and now, finally, she can afford to give up work and chase her dream. But then, on her commute home from London to Brighton, she meets a charming stranger - who seems to know everything about her. He delivers an ultimatum. She needs to give him the code for the safe where she keeps her savings before the train reaches Brighton - or she’ll never see Louise again.

Sydney Shaw, like every single woman in New York, has terrible luck with dating. She’s seen it all: men who lie in their dating profile, men who stick her with the dinner bill, and worst of all, men who can't shut up about their mothers. But finally, she hits the jackpot. Her new boyfriend is utterly perfect. He's charming, handsome, and works as a doctor at a local hospital. Sydney is swept off her feet. Then the brutal murder of a young woman—the latest in a string of deaths across the coast—confounds police. The primary suspect? A mystery man who dates his victims before he kills them.

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.

Beth and Ian are desperate to have a child. So much so that they decide to sell his family cabin in upstate New York to pay for IVF. When they arrive at the cabin, they meet Ryan, the caretaker. But Ryan is not who he says he is… He’s here because he knows Beth has a dark secret. And now he intends to use it against her. He threatens to tell Ian everything about Beth's past unless she does exactly what he says.