S4, E5: Nick (David Giuntoli) and Hank (Russell Hornsby) are called to the scene of a crime where the suspect swears she was driven to madness by a very persistent talking wolf. Meanwhile, Nick and Juliette (Bitsie Tulloch) wonder if getting his Grimm powers back is worth giving up a normal life.Elsewhere, Bud (guest star Danny Bruno) hopes Trubel (guest star Jacqueline Toboni) can help take care of a wesen-related issue and the threats against Monroe (Silas Weir Mitchell) and Rosalee’s (Bree Turner) inter-wesen marriage heat up. In Austria, Adalind (Claire Coffee) continues her perilous trek in the hopes of retrieving her daughter.