Her Final Stage is set against the backdrop of Special Agent Dr. Erin Mayfield's first case as lead investigator for the Department of Health and Human Services and Erin's previous career adventures in Central and South America working for the CDC and World Heath Organization. When U.S. Senator Robert Cooper's daughter passes away from cancer while other children who attended The Life for Leukemia Retreat became miraculously cured, he forces a federal investigation. Her Final Stage highlights this investigation into illegal human trials of genetic therapy in children who attended the same summer camp. Special Agent Mayfield's experience with noroviruses along with evidence uncovered converts the prime suspects into the only experts who have witnessed a cure for cancer. The source of the lifesaving antibodies has been identified as a single host, but can they find her in time - the senator wants someone punished for his loss.