Grimm (2011)

S4E20 You Don't Know Jack

As a series of murders grips the city, the media pressures Captain Renard with questions about a potential Jack the Ripper imitator in Portland. Amidst this investigation, Nick, Hank, Monroe, and Wu find themselves facing an unforeseen challenge. Simultaneously, Adalind and Rosalee join forces for a desperate effort to restore Juliette's health. Meanwhile, Juliette resolves to assist her new companion, even if it means causing pain to those she cares about.