I'm Your Boogie Man (S01E08)

Having survived a harrowing abduction at the hands of the notorious serial killer Charles Hoyt, Jane is haunted by the past. When a body is discovered in a park, it bears the hallmarks of Hoyt's gruesome methods. As Jane struggles to suppress her terror of him, Maura delves into the psyche of the murderer to uncover his motives and patterns. Together, they must confront their fears to solve the chilling case before more lives are put at risk.