The doctor who chairs the Timbergate Medical Center Ethics Committee dies from a fall down a stairwell shortly after calling for an emergency meeting to discuss organ donation. Suspecting foul play, and worried that TMC's patients are at risk, Aimee Machado, Forensic Librarian and Director of Ethical Affairs, begins to investigate and learns the doctor also worked at a medical clinic in a private prison in the isolated Sawyer County town of Potterville. where most patients are undocumented immigrants.