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.

In what should have been a typical afternoon, seven-year-old Zoe and her father Bill romp through beautiful Park Slope, Brooklyn, on a whimsical journey of childhood wonder, only to discover that the world is not as simple as it seems.