Long blonde hair. Sparkling dark eyes. Perfect pearly white teeth. I’ve never met her before, but I know exactly who she is as I spot her through the crowds of the terminal. Because our new guest is the spitting image of the daughter we lost. And that’s exactly why I chose her.

Kit Darling is a maid with a snooping problem. She’s the “invisible girl,” compelled to poke into her wealthy clients’ closely guarded lives. It’s a harmless hobby until Kit sees something she can’t unsee in the home of her brand-new clients: a secret so dark it could destroy the privileged couple expecting their first child. This makes Kit dangerous to the couple. In turn, it makes the couple—who might kill to keep their secret—dangerous to Kit.

When happily married Grace comes home early one night and catches her husband, Dominic, with another woman in the cabin at the bottom of their garden, she is shocked, angry, and most of all, hell-bent on revenge. That’s why she acts quickly, locking the pair in the cabin while she decides what she wants to do to them.

When Megan discovers photographs of her estranged identical twin sister on her husband's phone, she wants answers. Leah already has everything Megan ever wanted. Fame, fortune, freedom to do what she wants. And when Megan confronts Leah, an argument turns to murder. The only way Megan can get away with killing her twin is to become her. But then lockdown hits. How can she continue living two lives? And what happens if someone else knows her secret?

Erika Cass has a perfect family and a perfect life. Until the evening when two detectives show up at her front door. A high school girl has vanished from Erika's quiet suburban neighborhood. The police suspect the worst - murder. And Erika's teenage son, Liam, was the last person to see the girl alive. Erika has always sensed something dark and disturbed in her seemingly perfect older child. She wants to believe he's innocent, but as the evidence mounts, she can't deny the truth - Liam may have done the unthinkable.

All Abigail wants is a little extra help around the house when her husband’s at work. She believes that a nanny is just what she needs to let her be a better mother and get back to work. At first, her husband isn’t so sure. But after Abigail gets what she wants and hires Haley to take care of her daughter, she knows that her life is about to get better. She can work. Get a full night’s sleep. Be the mother she wants to be.

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.

Stay-at-home mother Marta lives in her successful husband’s shadow, overlooked by him ever since her darling son Owen went to medical school. She’s not about to let the beautiful Gina take Owen away from her. Marta will play nice, get Gina to trust her. And then she has a plan of her own.

This is my first job as a housekeeper, but Evan Warner doesn’t need to know that. It’s the first of many lies I’ll tell him. He just lost his wife, Lola, and now he and his young daughter Jessica are adrift. But no amount of cleaning will rid this house of the secrets that have seeped into the cracks. I never forgave Lola for what she did to me. But I can’t let Evan get away with her murder.

Cara is a devoted mother to two little girls. She loves her hectic life, but she looks forward to a relaxing weekend alone while her husband, Michael, takes the kids on a camping trip. But their dream trip turns into a nightmare when their daughters are taken, deep in the forest.