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A woman claims a very persistent, talking wolf drove her to the point of madness when she's questioned by Nick and Hank after committing a deadly crime. Meanwhile, Nick and Juliette wonder if getting his Grimm powers back is worth the sacrifice of a normal life; at the same time, Bud hopes Trubel can help with a wesen-related issue; threats against Monroe and Rosalee intensify; and Adalind's perilous trek to retrieve her daughter continues in Austria.