A local boxing gym comes under fire after a brutal homicide – Lisa Gay Hamilton, Elizabeth Rodriguez and Jacqueline Toboni guest star – After Nick (David Giuntoli) has a bizarre, unsettling vision, he and Hank (Russell Hornsby) find themselves on a case that takes them into the world of boxing. Trubel (guest star Jacqueline Toboni) finds herself under the watchful eye of Agent Chavez (guest star Elizabeth Rodriguez) before jumping into the ring to help with Nick’s investigation. Meanwhile, Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner) get some unexpected help in figuring out a way to restore Nick’s Grimm abilities. Elsewhere, Adalind (Claire Coffee) encounters a mysterious visitor in her dungeon cell. Bitsie Tulloch, Sasha Roiz and Reggie Lee also star.