Cassie and her new ally Berkely confront Gunnar Melchior, the son of the ghastly psychiatrist who Cassie slew in self-defense. Driven by a single-minded need for vengeance, Gunnar brings the power of the National Bureau of Investigation to bear against our fugitive heroes. But a warning from her grandfather's ghost leads Cassie to question this new turn in her struggle... and uncover a truth even worse than she feared.