While Lucifer and Chloe chase down a serial killer, Maze invites Chloe out for drinks... unaware that Maze is playing her.
Black Claw frames Hank for murder as a means to interrogate him for what he knows about Nick. Meanwhile, after Black Claw wipes out HW, Nick attacks Renard and is thrown in jail.moreless
Renard and Adalind come together over their children and Black Claw's intervention. Meanwhile, Nick learns of Renard's involvement and confronts the captain. Wu gains control of his transformation, and Hank discovers that Zuri is playing him.moreless
A teenager is decapitated, and Nick and Hank discover that the murder is Wesen-related. Meanwhile, Adalind goes back to work at her old firm, after receiving a warning from Eve.
Nick and Hank investigate a death at a tent revival and discover that the preacher who claims to be possessed by Satan is actually a Wesen. Meanwhile, Eve infiltrates Black Claw posing as Renard, and Monroe convinces a friend to help them translate the cloth.moreless
A Wesen who can extract the youth from his victims enter into an unholy alliance with a "Fountain of Youth" beauty clinic. Meanwhile, Eve continues her investigation into Andrew's assassination.
While Eve continues her investigation into the Dixon assassination, Nick and Hank track down a killer who strikes on the nights of the full moon. Meanwhile, Renard tells Adalind that their daughter is still alive.moreless
Nick and Hank tie two murders to an ancient Wesen ritual designed to imbue Luchador masks with the power of its owner... after the owner's face is flayed off to make the mask.moreless
While Nick and Monroe search for the Crusaders' treasure, Rosalee and Adalind deal with Rosalee's former boyfriend. Meanwhile, Renard discovers who is responsible for Dixon's assassination and receives a shocking offer.
With Nick and Monroe off to the Black Forest, Black Claw launches a major attack on Portland.
Black Claw tries to trace down a cache of Grimm books that have fallen into the hands of Monroe's uncle. It's a race against time as Nick and his friends try to get the books before the Wesen killers do.moreless
A killer murders two victims as part of an ancient Wesen ritual, and Nick discovers that it's tied to Black Claw. Meanwhile, HW demands to meet with Nick and his team to discover where their loyalties lies.moreless
While Meisner shows Nick the HW operation in Portland--and Eve--Nick and Hank investigate a grisly murder seemingly committed by a legendary lake monster. Meanwhile, Rosalee receives another letter from her old drug buddy in Seattle.moreless
The Uprising launch an attack on the Wesen shop owners of Portland, and Nick and Hank soon get a lead on tracking them down. Meanwhile, Trubel brings Nick up to speed on what she's been doing, and Nick sees a figure from his past.moreless
Avery and the team pursue a serial killer who has hacked the website of an online car service in order to use it to locate and murder the service's customers. Meanwhile Daniel is forced to confront a tragic event from his past.moreless
The young daughter of a Navy SEAL, who is currently on a top-secret mission, is kidnapped. Meanwhile, Danny's brother is taken captive, and Danny must locate $18.5 million in order to free him.moreless
Jack hides important information from Mia and Ralph.