Selena Murphy is commuting home on the train when she strikes up a conversation with a beautiful stranger in the next seat. The woman introduces herself as Martha and soon confesses that she’s been stuck in an affair with her boss. Selena, in turn, confesses that she suspects her husband is sleeping with the nanny. When the train arrives at Selena’s station, the two women part ways, presumably never to meet again. Then the nanny disappears. 

Twelve-year-old Rain Winter narrowly escaped an abduction while walking to a friend’s house. Her two best friends, Tess and Hank, were not as lucky. Tess never came home, and Hank was held in captivity before managing to escape. Their abductor was sent to prison, but years later was released. Then someone delivered real justice - and killed him in cold blood.

If Ridley Jones had slept 10 minutes later or had taken the subway instead of waiting for a cab, she would still be living the lie she used to call her perfect life. Instead, she's in the wrong place at the right time to unleash a chain of events that begins with a mysterious package on her doorstep. A package that informs her that her entire world is just an illusion. Forced to question everything she knows about herself, Ridley wanders into dark territory, where everyone is hiding something.

The childhood murder of Lydia Strong’s mother has turned her into a woman obsessed with bringing brutal killers to justice. The reclusive, best-selling true-crime writer and investigative consultant has made a life out of chasing monsters. And her powerful intuitions rarely fail her. When three adults - loners, drifters - go missing, no one seems to notice except for Lydia. Enlisting the help of her friend, former FBI agent Jeffrey Mark, Lydia starts an investigation of her own.

It’s been a year since Poppy’s husband, Jack, was brutally murdered during his morning run through Manhattan’s Riverside Park. In the immediate aftermath, Poppy spiraled into an oblivion of grief, disappearing for several days only to turn up ragged and confused wearing a tight red dress she didn’t recognize. What happened to Poppy during those lost days? And more importantly, what happened to Jack? The case was never solved, and Poppy has finally begun to move on. But those lost days have never stopped haunting her.