Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

Frankie Elkin is an average middle-aged woman, a recovering alcoholic with more regrets than belongings. But she spends her life doing what no one else will - searching for missing people the world has stopped looking for. When the police have given up, when the public no longer remembers, when the media has never paid attention, Frankie starts looking. A new case brings her to Mattapan, a Boston neighborhood with a rough reputation. She is searching for Angelique Badeau, a Haitian teenager who vanished from her high school months earlier.

Twenty years ago, Melanie Stokes was abandoned in a Boston hospital, then adopted by a wealthy young couple. Gifted with loving parents, a doting brother, and an indulgent uncle, Melanie has always considered herself lucky. Until the first cryptic, threatening note arrives: “You Get What You Deserve.” Melanie has no memory of her life before the adoption. Now someone wants her to remember it all - even the darkest nightmare the Stokes family ever faced: the murder of their first daughter.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

Sisters. Strangers. Survivors. More than 20 years ago, Claire and Lydia's teenaged sister Julia vanished without a trace. The two women have not spoken since, and now their lives could not be more different. Claire is the glamorous trophy wife of an Atlanta millionaire. Lydia, a single mother, dates an ex-con and struggles to make ends meet. But neither has recovered from the horror and heartbreak of their shared loss—a devastating wound that's cruelly ripped open when Claire's husband is killed.