Grimm is about to end season 4 with another thrilling yet emotional episode as problems are starting to be resolved. Relationships on the other hand, are about to get more complicated. Fans can expect a very angry Nick and another bridge to burn between him and Juliette.

On the upcoming season finale of Grimm, Trubel helps Nick get revenge for what happened to his mother. Nick suspects that it was The Royals who are behind it and hunts them down. Meanwhile, Juliette who is now starting to become next big bad guy of the show is getting worse than ever as her alliance with Kenneth leads her to cross lines she can never come back.

Grimm's previous episode entitled "Headache" concluded the issue of the town's Jack Ripper. It was found out that Captain Renard is being possessed by another entity, and is the one responsible for the gruesome deaths of their town. The entity, a British accented guy came back to world of the living after Renard died and was sent back from the dead by his mom.

Together with Rosalee and Hunk, Nick tried to bring back to life the real Renard and send back to the world of the dead the spirit of "Jack Ripper" which although wasn't an easy task ended up being successful anyway. Jack then was surprised by Trubel and her return and informs him of the happenings in his house.

Nick later found a box in the living room floor that contains the head of his mother giving him a great surge of pain and anger. Meanwhile, Last February 5, 2015, NBC renewed Grimm for a fifth season.

On the last episode of Grimm season 4 questions like what will Nick do? Is Juliette responsible for this? Will this end all the possibilities of her and Nick going back to the old days? Watch out for the answers on the last episode of Grimm on May 15 at channel NBC.