خلاصه داستان : یک کارآگاه قتل می‌فهمد از نسل شکارچیانی است که با موجودات و نیروهای ماورایی مبارزه می‌کنند و همین کشف، او را وارد دنیایی پرخطر و عجیب می‌کند.

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.