Ruby Powell is the epitome of perfect. She’s beautiful, prominent, and wealthy. She lives in her dream home in the most affluent neighborhood in Dallas. She's a doting mother, a devoted wife, and a respected member of her community. She takes pride in serving as the president of both her son’s elementary school PTA and her daughter’s high school soccer Booster Club. Her kids adore her, and her husband is still her best friend after eighteen years of marriage.

Los Angeles homicide detective Dinah Marino may have a complicated relationship with her family, but her psychiatrist husband, Joe, makes her feel safe, secure, and happy. She couldn’t want for a more loving or trusting man. But throughout their ten-year marriage, she’s been keeping a secret from him—a secret she’d take to the grave. Dr. Joe Marino loves his wife more than anything in this world, but there are things he’s learned to keep close to the chest—including a few dead bodies.

In May 2005, authorities discovered the Groene family murdered in their Idaho home. The family’s youngest members—eight-year-old Shasta and her brother, nine-year-old Dylan—were nowhere to be found. As a community prayed for their return, Shasta and Dylan were already miles away in the woods of Montana at the hands of serial killer Joseph Edward Duncan. After a harrowing forty-eight day ordeal, Shasta was rescued. In many ways, her survival story was only beginning.

Neighbors Gwen, Aimee, and Lisa share more than playdates and coffee mornings on their tranquil street in East Bethesda. They confide their deepest secrets, navigate the challenges of motherhood together, and provide a support system that seems unbreakable. But when Gwen's husband is found murdered after one of their weekly Friday night dinners, the peaceful quiet of their cul-de-sac shatters. The seemingly idyllic world of the three close-knit mom friends becomes a web of deception, betrayal, and revenge.

Four young women have been found murdered—tortured and strangled in their own beds—all victims of the same brilliant monster. Using a skilled hand and the latest technology in forensic medicine, Kay Scarpetta begins the process of gathering the microscopic clues the latest battered body has to give.