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.

Aaron Schwartz has one big dream to become famous. And he's figured out the surefire way to get him there, becoming an infamous serial killer. The one big problem is - he can't kill a fly.

When college graduate, Peter Landsman, moves to the city to pursue a career in professional accounting, he finds himself in a situation far less predictable.