Olivia Carnes has become suspicious of the mounting number of deaths occurring in the Atlanta hospital where she works. She has no real proof anything malicious is taking place until she walks into one room to find the patient dead and the monitors turned off. Taking her concerns to her friend's husband at the FBI, Olivia is relieved to know he will be investigating. Derek and Matt Stevenson (Book one and two) send in Dale McGhee to gather information from the other nurses. Can he help catch a killer before Olivia is caught up in the deadly intrigue?