After committing a series of multiple murders, a neurologist visits an incarcerated killer, living in exile. She studies him and his brain and discovers the horror that lurks behind his violent impulses.
Garret wants Talon to take the throne, while a mysterious assassin seeks revenge. Falista mourns for Tobin but hatches a new plan. Zed wants Wren to be High Priestess and uncovers a secret about her.
