"Grimm" is a drama series inspired by the classic Grimm's Fairy Tales. Portland homicide Detective Nick Burkhardt (David Giuntoli) discovers he is descended from an elite line of criminal profilers known as "Grimms," charged with keeping balance between humanity and the mythological creatures of the world. As he tries to hide the dangers of his new found calling from his fiance, Juliette Silverton, (Bitsie Tulloch).
Nick thought he was prepared for the realities of working as a homicide detective, until he starts seeing things he can't quite explain.
A case of breaking and entering introduces Nick and Hank to a mysterious family whose cultural background blurs the line between right and wrong.
The station is abuzz as Nick (David Giuntoli) and Hank (Russell Hornsby) are called to a case where an innocent flash mob results in a gruesome homicide. As Nick delves further into the investigation, he learns more about his unique family history, and finds himself at odds when he and Hank are assigned to protect a dark character from his recent past. Bitsie Tulloch, Silas Weir Mitchell, Sasha Roiz and Reggie Lee also star.
After investigating a strange cluster of female deaths and disappearances, Nick sends Monroe undercover to get a whiff of a hypnotic suspect.
When a beloved high school music teacher's body is destroyed by rats, the investigation leads Nick and Hank to a troubled teen.
When Nick and Hank investigate the explosion of a Blutbad's home, Monroe is brought face-to-face with characters from his troubled past.
A mysterious homicide deep in the woods leads to Nick and Hank reopening a long-aborted missing persons case.
A string of brutal murders leads Nick and Hank to a man who recently escaped prison.
When a body is found in a dumpster, the investigation leads to a sly snake and a timid mouse.
As Portland's homeless youth start to go missing, Nick (David Giuntoli) uncovers a deadly black market supplying the Grimm world with human organs for all types of elixirs. As the investigation heightens, Nick and Juliette (Bitsie Tulloch) befriend a pair of homeless siblings, Hanson (guest star Daryl Sabara, "Spy Kids") and Gracie (guest star Hannah Marks, "Necessary Roughness"), whose friends have gone missing. Russell Hornsby, Silas Weir Mitchell, Sasha Roiz and Reggie Lee also star.
Nick (David Giuntoli) and Hank (Russell Hornsby) find themselves on the hunt for a deadly heartbreaker leaving behind a web of dead bodies. Meanwhile, Nick's growing recognition among the creature world is starting to threaten not only his safety but Juliette's (Bitsie Tulloch) as well, and it may be time for him to take action to keep her safe. Silas Weir Mitchell, Sasha Roiz and Reggie Lee.
A bizarre double homicide leads Nick (David Giuntoli) and Hank (Russell Hornsby) to a boxing gym, which Nick discovers is a supplier for a darker, ritualistic fight club in the creature world. When Monroe (Silas Weir Mitchell) lends a hand and gets in over his head, Nick must dig deep and find his inner "Grimm" to defend him. Bitsie Tulloch, Sasha Roiz and Reggie Lee also star.
While Nick and Hank look for rare coins that were stolen during a robbery that ended in homicide, a friend of Aunt Marie's arrives with information for Nick about his family.
Nick investigates a fire-dancer may be the woman responsible for a fire-related homicide.
A mysterious homicide deep in the woods leads to Nick and Hank reopening a long-aborted missing persons case. When Nick suspects this abducted person might be a feral creature, he asks Monroe to help remind this wild child of her human nature.
Nick tries to take Juliette on a romantic weekend but soon becomes embroiled in a case involving a neighbor couple. Meanwhile, Eddie and Hank both find themselves romantically involved with new women.
Nick (David Giuntoli) and Juliette (Bitsie Tulloch) join Hank for dinner, where Nick discovers Hank's mystery date is none other than Adalind (guest star Claire Coffee), the same Hexenbiest who tried to kill Aunt Marie. Meanwhile, Captain Renard (Sasha Roiz) takes matters into his own hands when a visit from foreign representatives of his royal bloodline threatens his position. Elsewhere, Monroe (Silas Weir Mitchell) and Rosalee (guest star Bree Turner) are called into action when the lives of Hank and Sgt. Wu (Reggie Lee) hang in the balance.
While investigating a string of murders, Nick (David Giuntoli) and Hank (Russell Hornsby) learn that their suspect's crime wave began overseas. When Nick discovers the suspect (guest star Neil Hopkins) is being harbored by none other than Monroe (Silas Weir Mitchell) and Rosalee (guest star Bree Turner), he realizes he's hunting the hunted, a freedom fighter trying desperately to escape the clutches of a creature bounty hunter (guest star Sebastian Roche).
As Nick (David Giuntoli) delves into the trailer's weapons cabinet and his inner Grimm, the investigation of a dead construction worker leads him into a long standing conflict in the creature world. Sensing an unfamiliar threat, the suspect takes it upon himself to summon reapers to town to eliminate the Grimm once and for all. Meanwhile, Juliette (Bitsie Tulloch) insists that Nick invite Monroe (Silas Weir Mitchell) over for dinner, making for quite the interesting evening.
Nick (David Giuntoli) and Hank (Russell Hornsby) are called to investigate the mysterious death of a wealthy matriarch, after her stepdaughter loses everything in a Ponzi scheme. Meanwhile, Juliette (Bitsie Tulloch) does some digging into the mysterious death of Nick's parents in an effort to help him find closure.
After Juliette (Bitsie Tulloch) stumbles upon a brutal murder, Nick (David Giuntoli) learns the suspected creature (guest star Kenneth Mitchell), and friend of Monroe (Silas Weir Mitchell), is suffering from a mysterious condition -- the inability to completely return to human form. This mysterious condition leads them to a therapist (guest star Roger Bart) who's created an artificial drug to suppress the creature side, with horrifying side effects. Meanwhile, the investigation takes a surprising turn when Hank (Russell Hornsby) sees something he can't quite explain.
As Nick (David Giuntoli) delves deeper into his life as a Grimm, a trail of grotesque murders reignites the search for the elusive gold coins. The arrival of a mysterious woman in black (guest star Mary Elizabeth Mastrantonio) begins to get in the way of Nick and Hank's (Russell Hornsby) investigation as extra precautions have to be taken to ensure their safety. Meanwhile, Nick's ability to keep his true nature secret from Juliette (Bitsie Tulloch) comes to a tipping point.