Nick, Hank and Wu investigate a terrifying new Wesen who terrorizes a young family and has a surprising motive. Capt. Renard is reeling after an unexpected guest appears. Meanwhile, Diana has some interesting news for Monroe and Rosalee. Elsewhere, Eve returns to the catacombs beneath Nick’s loft to search for answers to her bizarre visions and side effects from being healed by the mysterious stick.
Nick Burkhardt thought he prepared himself for the realities of working as a homicide detective until he started seeing things he couldn’t explain. Nick’s life turns upside down when his Aunt Marie reveals they are descendants of an elite group of hunters, known as “Grimms,” who fight to keep humanity safe from supernatural creatures. As Nick digs deeper into her past, he realizes that he will have to shoulder the responsibility of his ancestors.