In the fifth adrenaline-charged volume of the Fiona Frost series, Fiona's plans of an internship at the FBI Academy abruptly change, and she is thrown into an exhilarating investigation of The Blood Doll Killer. Fiona finds herself facing challenging obstacles such as an internal struggle with her beliefs in the supernatural, strife with her archenemy, underground vigilantes terrorizing society, and the urgent need to capture one of the most devastating serial killers in history. This murder mystery is stacked with surprising twists and calculated revenge as it tests the limits of white-knuckle drama.