Hank assist Juliette, Monroe, and Rosalee fighting the zombie hoard, while Renard tries to rescue Nick from Eric. Meanwhile, Adalind turns to Stefania once more for help regaining her magical abilities.
While investigating a series of rage-fueled assaults, Nick learns that Eric Renard is in town. Meanwhile, Adalind is caught in the middle when Frau Pech and Stefania oppose each other.
While Juliette tries to convince Monroe to tell her the truth about the Wesen, Nick and Hank investigate a series of murders of people who have already died. Meanwhile, Stefania and Frau Pech go to war with each other over the fate of Adalind's unborn child.moreless
Rosalee asks Nick for help dealing with a Wesen lawyer who is trying to get a murder case overturned. Meanwhile, Juliette returns to Nick's trailer and remembers what happened the last time she was there.moreless
Nick and Hank investigate a murdered high school student who was killed because of their involvement in an academic decathlon. Meanwhile, Monroe gets a visitor at the spice shop and Renard must deal with his obsession.moreless
While Nick and his mother battle the Royal Families' assassin, Rosalee and Eddie continue to try and save Juliette. Meanwhile, Hank discovers that the FBI are after his partner and Renard is forced to reveal his hand while dealing with his brother.moreless
While the Royal Families launch an attack on Nick, the Grimm tries to come to grips with the return of his mother Kelly. Meanwhile, Monroe and Rosalee try to bring Juliette out of her coma, Hank tries to cope with his recent exposures to the Wesen, and Renard must deal with the arrival of his brother in Portland.moreless
While the jury deliberates, Jane tries to prove a woman charged with murder is innocent. While helping Cho with a case, Summer may have gone too far.
Fiona and Jesse work together for a pharmaceuticals magnate, but soon realize that he is hiding something. Meanwhile, Michael and Sam take on a bomb-maker involved in Max's death.