For a Woman's Day column, Melanie forms a group to compete in a Battle of the Bands contest, an idea embraced by Joy, who, with encouragement from Rick (Wayne Knight), pursues her childhood dream of becoming a rock star.
Nick and Hank are called to the scene when two Wesen turn up dead after a hunt at a local dump leads to an encounter with the mythical Rat King. Meanwhile, a very badly wounded Trubel is taken to the hospital; and Nick finally meets Meisner.
A visit from Victoria's daughter, Emmy (Jennifer Love Hewitt), prompts Victoria to ask Elka—and her Irish accent—for help in dissuading Emmy from writing a revealing autobiography about her childhood. Meanwhile, Melanie and Joy share a secret admirer.
Nick and Hank investigate a double homicide that's linked to the Verrat. Meanwhile, Trubel meets a father-and-son team who traveled a great distance to find "the Portland Grimm"; and Renard grows suspicious of Adalind's behavior.
The third season ends with the arrival of Monroe and Rosalee's wedding day. Meanwhile, Nick and Juliette come to a surprising realization that could have lasting effects on their relationship; and Adalind's actions have disastrous consequences.
Nick adjusts to the loss of his Grimm powers and tries to figure out how to deal with Trubel as the fourth season opens. Meanwhile, Wu has an unpleasant flashback; a new group of Wesen come to Portland and steal people's memories; Capt. Renard fights for h (more…)
Nick ponders whether he wants his Grimm abilities back as he and Hank continue to track a Wesen that's stealing memories from its victims. Meanwhile, Adalind learns she has a connection to Nick; and a recovering Capt. Renard has a mysterious visitor.