Nick faces his toughest challenge yet when he and Hank investigate a case that combines religious phenomenon with the dark dealings of the Wesen Council. Meanwhile, Rosalee is torn when Nick's case challenges her Wesen loyalties. Elsewhere, Captain Renard leaves town to tend to some "family matters."

Nick and Hank investigate a Wesen "healer" whose ability holds risks that far outweigh its rewards. Meanwhile, Juliette takes in a friend when domestic issues escalate and Hank makes a move on his physical therapist Zuri. Elsewhere, Captain Renard finally tracks down Adalind and has a stern warning for her.

Nick and Hank investigate a cop killer who scalps his victims. Meanwhile, Juliette begins to communicate with Nick's mom via email and Adalind finds herself much closer to delivering her baby than she previously thought. Elsewhere, Monroe's parents decide to surprise him and Rosalee with an early arrival to Portland after learning some exciting news.

Nick and Hank find themselves thrown into the middle of an ancient battle and things heat up when the Wesen Council decides to get involved. Monroe and Rosalee fill everyone in on early Wesen history. Meanwhile, Sgt. Wu is still reeling from the events he recently experienced. As things heat up in Europe, one of the Resistance’s most trusted allies gets compromised as he tries to protect Adalind.

Nick and his mom, Kelly Burkhardt, join forces to protect Adalind's baby. Meanwhile, Prince Viktor activates a deadly stateside asset to find Adalind and her child.

Nick and Hank learn the victims of the homicide they are investigating were from a special section of the Verrat; Renard grows suspicious of Adalind's behavior.

Nick's power loss aftermath showed that the changes are far more than anticipated, Elizabeth, Monroe and Rosalee look for the cure. Nick and Hank call on Trubel to help out on a case.

With Monroe and Rosalie are dealing with a growing problem from Wesen purists, Nick and Juliette must decide if a normal life is really what they want.

The Wesenrein abduct Monroe and plan to destroy his marriage to Rosalee... permanently. Meanwhile, Nick and Hank show Wu the truth of the Wesen, and Juliette deals with a new face in her mirror.