Tribunal (Grimm)

Opening quote: "May the God of Vengeance now yield me His place to punish the wicked."

Monroe's (Silas Weir Mitchell) trial begins and is then purified on the orders of Riken (Brandon Quinn). Nick (David Giuntoli) and Hank (Russell Hornsby) show to Renard (Sasha Roiz) the evidence they found and he tells them to let Wu (Reggie Lee) find Acker (Will Rothhaar) and talk to him about the Wesenrein. Meanwhile, Juliette (Bitsie Tulloch) and Rosalee (Bree Turner) check into the wedding's guest list and compare it to Trubel's name list to find any connection, finding five mysterious people attending and decide to ask Bud (Danny Bruno).

Back to the tribunal, the Wesenrein begins, first accusing Monroe of two charges: marrying a different Wesen and befriending a Grimm. Monroe woges, hits the guards and escapes into the forest but is quickly caught by Jonah (Nick Krause) but kills one of the members before being brought back to the tribunal. The Wesenrein are shown photos of his wedding and state that a witness testified that saw him with a Grimm. Meanwhile, Wu talks with Acker, putting pressure on him in order to showcase his lies. Acker eventually woges into a Bauerschwein and Nick furiously interrogates him to reveal Monroe's location. He is stopped by Renard, who orders Acker to be jailed.

With Bud's help, Juliette and Rosalee see that a guest brought a woman named Suzanne (Maggie Kemper) and go to her office to question her. Suzanne explains that her brother, identifying him as Acker, could know about it. Bud is kidnapped by a member of the Wesenrein. He is then brought to the tribunal as the key witness. Riken questions him of his involvement with the Grimm and he states that he has helped him a few times. Monroe decides to testify and criticizes the Wesenrein's methods for not seeing what's right and that he declares himself innocent. Riken then asks for vote from the Wesenrein and in a unanimous decision, Monroe is declared guilty and sentenced to death. Wu brings Suzanne to the station where Nick threatens Acker to kill her unless he reveals the location. He eventually reveals that the tribunal is held in Oxbow Park.

Before Monroe is burned at the stake, Nick, Juliette, Hank, Renard, Wu and Rosalee arrive and attack the Wesenrein with Wu arresting most of them while Riken, Jonah and two members flee. Wu kills one of the members while Renard kills the other member. Jonah attacks Juliette but she woges into her Hexenbiest form and uses her powers to explode his head. Riken tries to kill Monroe but Rosalee appears and they both maul Riken to his death. Renard decides to use the excuse of a cult as a way to arrest the member and naming Acker as their leader. Monroe and Rosalee are escorted by the police for their delayed honeymoon. That night, Renard is visited by Juliette, who reveals her Hexenbiest form to him, shocking him.