Two demon brothers enlist the aid of Kat Elliot — a tough teen with a load of guilt — to summon them to the Land of the Living. But what Kat demands in return leads to a brilliantly bizarre and comedic adventure like no other.

After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.