All That Remains is the third novel in Patricia Cornwell’s Kay Scarpetta series. The story follows medical examiner Dr. Kay Scarpetta as she investigates a series of mysterious disappearances and murders involving young couples whose bodies are discovered months later in isolated locations. When the daughter of a prominent politician becomes one of the victims, the case attracts intense public and political attention. Blending forensic investigation, psychological suspense, and police procedural elements, the novel explores a complex hunt for a killer whose pattern remains dangerously elusive.