This is Reaper speaking. So begins an anonymous letter published in a Utah newspaper after a young couple is viciously murdered. Tooele County sheriff Elizabeth Gray leads the investigation into the double homicide, which is eerily reminiscent of a string of brutal killings years ago. When the letter leads detectives to yet another body, Gray calls on an old friend for help.

When Kiersten McCann, president of the West Hollywood Moms’ Club, turns up dead in her own pool, it quickly becomes clear this wasn’t an accident. And the party guests—all members of the exclusive club—are now key suspects in her murder. Accusations fly, and three mothers find themselves at the center of the investigation. Whitney, Brooke, and Jade all have heavy secrets to bear…and possible motives for their friend’s murder. But as the police look closer, more secrets, betrayals, and sinister plots are revealed than the women could ever imagine.

Fourteen years ago, prosecutor Jessica Yardley's husband went to prison for a series of brutal murders. She's finally created a life with her daughter and is a well-respected attorney. She's moving on. But when a new rash of homicides has her ex-husband, Eddie, written all over them - the nightmares of her past come back to life.

Kate Bennett vanished from a parking lot eleven years ago, leaving behind her husband and young daughter. When she shows up at a Montana gas station, clutching an infant and screaming for help, investigators believe she may have been abducted by a cult. Kate’s return flips her family’s world upside down—her husband is remarried, and her daughter barely remembers her. Kate herself doesn’t look or act like she did before.

Caroline’s mattress had nothing to do with her untimely death at the age of 28—this, she wants Tempur-Pedic’s market research representative to know. But as she reflects on her first ever mattress purchase and their interview progresses, Caroline dives into the circumstances and decisions that led her and Nicholas—her boyfriend, 10 years her senior and prone to sleeping on the floor—to that particular bed in that particular shopping plaza.