Nick must look inside himself and decide who he wants to be while also dealing with fathering a child with Adalind. 

Nick makes changes to keep Adalind and his child safe, with the help of Monroe and Rosalee; Hank and his new partner investigate a murder at an investment group. 

Rosalee disappears after some orphans decide she is the mother-figure they always wanted. An encounter with a former colleague prompts Adalind to consider going back to work. 

A wealthy mobster entices three young men to work for his daughter's hand in marriage; a surprise visitor shakes things up as Adalind and Nick struggle to adjust to home life. 

An encounter with the mythical Rat King leaves two dead; Trubel is wounded and taken to the hospital; Nick meets Meisner (Damien Puckler). 

Nick and Hank investigate a wave of vandalism that results in a local business owner's death and the kidnapping of a friend of Monroe and Rosalee; Truble tells Nick and Adalind what she's been up to. 

Not everything is as it seems after "Juliette's" return; Monroe and Rosalee look for answers regarding increased Wesen violence; Trubel has information for Nick. 

A mysterious sighting is connected to the death of a tourist at a local lake. Rosalee is haunted by her past and Renard supports a candidate for mayor. Nick witnesses the scope of the wesen uprising. 

Monroe goes incognito to help Nick as a serial killer attacks, leading Nick and Hank to investigate. Eve, meanwhile, applies her skills to question a suspect. 

Monroe gets a call that may bring Nick closer to his ancestors; Capt. Renard helps a mayoral candidate; Trubel confronts Eve about Nick and Adalind. 

Artifacts take Monroe and Nick closer to the heart of a mystery; a deadly move could send Portland into chaos. 

Nick and Monroe uncover a long-hidden treasure in Germany; Renard helps Hank and Wu track down an assassin who is terrorizing Portland. 

Nick, Hank, Monroe and Rosalee work to stop a mask maker who is targeting wesen to create luchador masks that give the wearer great power; Renard considers an offer; Eve's investigation raises new questions. 

After a brutal attack in the woods, Nick and Hank discover a wesen disease that could be the inspiration behind the werewolf myth; Adalind may be able to get back what she wants through an alliance. 

Hank and Nick suspect wesen of being involved in the death of a young woman who seems to have aged 70 years overnight; the duo turns to Rosalee for help in the investigation. 

A preacher uses his Wesen identity to gain believers who are hellbent on protecting him; Capt. Renard continues his pursuit of power in local government; Eve gains access to Black Claw. 

The severed head of a young man is found under a bridge, leading Nick and Hank to a Japanese Wesen who is practising an ancient art of revenge. Adalind finds herself face-to-face with Eve. 

After a man is found dead with the bones in his body liquefied and removed, Hank and Nick discover they are in the middle of a gruesome family secret. 

After suffering a bite from a scalengag in Black Claw, Wu becomes infected with lycanthropia. Meanwhile, Adalind must make a decision which could impact her kids and Nick's lives forever. Zuri's and Hank's relationship, grows. 

Nick fears he may lose everything as he continues battling Black Claw; Renard ramps up his campaign as election time draws near; Adalind must make a difficult decision to protect her children; Wu tries to gain control of his new reality. 

Black Claw makes a sneaky move against Hank that shocks everyone and sends Nick on a war path. Hadrian's Wall ramps up their investigation. 

Black Claw goes through with a clever move against Hank that surprises everyone and makes Nick go to war.