In the glow of their children’s exciting first year of college at a small private school in Northern California, five families plan on a night of dinner and cocktails for the opening festivities of Parents Weekend. As the parents stay out way past their bedtimes, their kids—five residents of Campisi Hall—never show up at dinner.

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?

Camille Prescott has it all. A doting husband, two children, a charming home in a seaside enclave, and a beautiful, fixed smile that exudes normalcy. But behind her polished mask lurks a much different Camille—one with a padlocked vault of secrets. Raised by a vindictive and psychotic woman, Camille has gone to great lengths to bury her past and for good reason: if her mother ever finds her, she will kill her.

When Hannah and Jasper move to Silverbanks, a luxury gated neighbourhood, it’s a dream come true. This house, with its floor-to-ceiling glass doors, direct access to the sandy beach, and close-knit, caring community, will be the perfect place to raise their precious daughter, Pia. And then Hannah meets her next-door neighbour. The flicker of recognition in his eyes only lasts for a second, but it’s enough. Suddenly, her safe haven has become the most dangerous place she could be. Unless she does something about it.

She knows everything about you… but can you trust her? I walk in to my interview with Ava Green and carefully hand over my application. It’s all made up, of course, but Ava doesn’t have to know that. There is so much worry in her blue eyes. Her phone pings with constant messages and a small stain marks her crisp shirt. Breakfast with her two little girls before heading out to this high-flying job every morning can’t be easy. Ava needs me, I think. More than anything.