21. Headache

While investigating a grisly murder, Nick and Hank get closer to uncovering the identity of the serial killer while Wu's life is put in grave danger. Having turned down Monroe and Rosalee's offer, Juliette solidifies a new alliance as she works to get her revenge. Elsewhere, Trubel makes a surprising return to Portland.

Plot summary and ending

Spoilers ahead. Coverage follows the scope labeled below.

Complete story — includes the ending

Nick and Hank investigate a grisly murder get closer to uncover the identity of the vicious serial killer while Wu's life is in grave danger. Monroe & Rosalee try to help Captain Renard to heal him from his visions and bleeding. Juliette solidifies a new alliance as she works to get revenge which gets Nick's mother killed. Elsewhere, Trubel is back in Portland from Philadelphia to surprise them. Opening quote: "Stronger than lover's love is lover's hate. Incurable, in each the wounds they make."

Sources and content license

Source and revision history · Adapted from Wikipedia contributors, Grimm season 4. HTML formatting and reference markers removed. · Content license