Dr. Will Zimmerman is a brilliant forensic psychiatrist who gained stature while working with the Federal authorities. A master of behavioral science, he can translate the most veiled human signals into case-breaking deductions. But his fascination with alternative and otherworldly explanations for horrific crimes has cost him the respect of his peers — and his job. His fall from grace at the Bureau attracts the attention of Dr. Magnus, who makes him an offer to join her team — an offer he realizes he can't refuse.