Welcome to North Falls—a small town where everyone knows everyone. Or so they think. Until the night of the fireworks. When two teenage girls vanish, and the town ignites. For Officer Emmy Clifton, it’s personal. She turned away when her best friend's daughter needed help—and now she must bring her home. But as Emmy combs through the puzzle the girls left behind, she realizes she never really knew them. Nobody did. Every teenage girl has secrets. But who would kill for them? And what else is the town hiding?

Bryden and Sam have it all: thriving careers, a smart apartment in a luxury condominium, supportive friends and a cherished daughter. The perfect life for the perfect couple. Then Sam receives a call at his office. Bryden–working from home that day–has failed to collect their daughter from daycare. Arriving home with their little girl, he finds his wife’s car in the underground garage. Upstairs in their apartment her laptop is open on the table, her cell phone nearby, her keys in their usual place in the hall.

Blake Porter is riding high, until he's not. Fired abruptly from his job as a VP of marketing and unable to make the mortgage payments on the new brownstone he shares with his fiancée, he's desperate to make ends meet. Enter Whitney. Beautiful, charming, down-to-earth, and looking for a room to rent. She's exactly what Blake's looking for. Or is she? Because something isn't quite right. The neighbors start treating Blake differently. The smell of decay permeates his home, no matter how hard he scrubs. Strange noises jar him awake in the middle of the night.

Naomi Shaw used to believe in magic. Twenty-two years ago, she and her two best friends, Cassidy and Olivia, spent the summer roaming the woods, imagining a world of ceremony and wonder. They called it the Goddess Game. The summer ended suddenly when Naomi was attacked. Miraculously, she survived her seventeen stab wounds and lived to identify the man who had hurt her. The girls’ testimony put away a serial killer, wanted for murdering six women. They were heroes.

Nic wants nothing more than to move on from her sister’s disappearance and the state it’s left her in. But then one day, Jules’s sister, Jenna Connor, walks into Nic’s life and offers her something she hasn’t felt in a long time: hope. What follows is a gripping tale of two sisters who will do anything to find their missing halves, even if it means destroying everything they’ve ever known.