A deadly crime spree surfaces; Adalind meets Prince Viktor (Alexis Denisof), who is seeking justice for his cousin's demise.
An evil Santa becomes a suspect when a series of delinquent teenagers go missing; Renard gets closer to finding Adalind.
Nick and Hank investigate a mysterious sighting linked to a tourist's death at a local lake. Nick is shown the scope of the Wesen uprising.
Monroe, Hank, Rosalee and Juliette try to reverse what's been done to Nick before he causes any more damage.
Nick and Hank investigate a Wesen whose ability holds risks that far outweigh its rewards. Meanwhile, Juliette takes in a friend when domestic issues escalate.