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

Rosalee goes missing after a band of orphaned children target her as the mother figure they have always wanted. With a furious Monroe by their side, Nick and Hank race against the clock to find Rosalee.

A wealthy mobster sets three young men on a quest to win his daughter Emily's hand in marriage and earn his fortune.

Nick and Hank are called to a local dump after some Wesen have a deadly encounter with the mythical Rat King.

Monroe is in danger when Wesen business owners are targeted in a string of attacks being investigated by Nick and Hank. Trubel catches Nick and Adalind up on her recent activities. Captain Renard endorses a political candidate.

Nick and Hank investigate a a series of murders with a ritualistic MO. The victims are tied to a wooden cross with a strange symbol carved on the back.

Monroe receives a call from a relative in Germany that will bring Nick closer to his ancestors. Complications arise when the nefarious group Black Claw also takes an interest in this discovery.

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

Nick and Monroe discover the hidden treasure in the Black Forest. A figure from Rosalee's past comes back to haunt her. The hexenbiest suppression on Adalind begins to wear off. Renard, Hank, and Wu hunt down an assassin.

A down on his luck Luchador receives a special mask that will make him the star he's always wanted to be. Misuse, however, leads to terrible consequences. Meanwhile, Eve believes something is amiss with Dixon's assassination.

Nick and Hank investigate an attack which leads them to a wesen disease that makes blutbad rabid every full moon. Eve discovers the Black Claw want to recruit Sean into their cause.

Nick investigates a traveling preacher who uses his wesen identity to gain followers after one of his bodyguards winds up dead, while a religious sect is seeking to capture him. Eve uses Renards body to further investigate the Black Claw.

Local youths are in danger from a Japanese Wesen looking for revenge; and Adalind crosses paths with Eve.

Nick, Hank and Wu searches for a wesen killer who can liquefy human bones; Hank encounters an old flame.

Wu discovers he is infected with lycanthropia after being attacked by a Skalengeck from Black Claw. Trubel returns and Adalind leaves Nick to join Renard/Black Claw in order to protect not only her children but Nick as well.

Nick leans on Monroe and Rosalee as he worries that he may lose everything as he continues to battle Black Claw. Captain Renard ramps up his campaign as election day nears.

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

The war with Black Claw escalates as Nick and his friends are targeted for elimination.