His wife, state police trooper Tessa Leoni, claims to have shot him in self-defense, and bears the bruises to back up her tale. For veteran detective D. D. Warren it should be an open-and-shut case. But where is their six-year-old daughter?As the homicide investigation ratchets into a frantic statewide search for a missing child, D. D. Warren must partner with former lover Bobby Dodge to break through the blue wall of police brotherhood, seeking to understand the inner workings of a trooper’s mind while also unearthing family secrets. Would a trained police officer truly shoot her own husband? And would a mother harm her own child? For Tessa Leoni, the worst has not yet happened. She is walking a tightrope, with nowhere to turn, no one to trust, as the clock ticks down to a terrifying deadline. She has one goal in sight, and she will use every ounce of her training, every trick at her disposal, to do what must be done. No sacrifice is too great, no action unthinkable. A mother knows who she loves. And all others will be made to pay.

    Moments later, two bodies are found in a nearby church, each with a gruesome calling card from their killer. Detective Nic Costa is one of the first on the scene. A cop who barely looks his twenty-seven years, Nic soon meets a woman who will dominate both his thoughts—and his investigation. A cool, beautiful professor of early Christianity, Sara Farnese was in the Vatican Library on that fateful day, a witness to her colleague’s outburst and grotesque death. And as more bodies are found, her role becomes even more baffling…because each victim had intimately known Sara, a woman whose history becomes more lurid and unfathomable with each revelation. Until the case takes a sudden, strange turn—and the secrets of a woman, a killer, and a city begin to unravel…with devastating consequences….