When Jane and Maura are asked to present the case of serial killer Charles Hoyt at a symposium for law enforcement, Jane worries that her greatest challenge will be facing bad memories. However, as she and Maura begin a simulation of investigating Hoyt's murders, they soon come across a horrifying discovery. In a matter of moments, the team finds themselves drawn into a lethal game of cat and mouse with a new and terrifying serial killer.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Jane and Maura are asked by forensic psychiatrist Dr. Victoria Nolan ( Jessica Tuck ) to speak at a law enforcement symposium. Nolan is on a tour for her book, Three Faces of Evil, which is about serial killers, one of whom is Charles Hoyt ( Michael Massee ). A crime scene depicting Hoyt's murders is staged. As Jane and Maura move to describe the "victims", they see that the forensic dummies are real corpses. The victims, past and present, have been branded with the Rod of Asclepius symbol.