Nick and Hank investigate a dangerous female suspect leaving a trail of Wesen in her wake. Elsewhere, Adalind takes measures into her own hands, even if that means forging a dangerous alliance.

When Nick brings Trubel on a ride along with Hank, they end up investigating the murder of a young woman; Adalind is hopeful after making a discovery.

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.

Rosalee and Monroe's big day arrives; a realization shakes Juliette and Nick's relationship to its core; Adalind's plan leads to a catastrophic event.

The Gedächtnis Esser continues to steal memories and Captain Renard's mother visits him in the hospital to try to save his life. Meanwhile Wu confronts Nick about Trubel and Nick and Adalind share a psychic connection.

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.

On the heels of a shocking discovery, Nick is hell bent on getting revenge and taking the fight to the Royals with help from Trubel. Meanwhile, Juliette's alliance continues to lead her down a dark path.

Nick and the gang are still reeling from the scope of the ambush and the surprise return of "Juliette", but not everything is as it seems. In light of the heightened Wesen violence, Monroe and Rosalee seek answers from the Wesen Council. Meanwhile, Trubel has some information for Nick that will help him get what he is looking for.

A local legend comes back to life as Nick and Hank investigate a mysterious sighting linked to a tourist's death at a local lake. Rosalee's past comes back to haunt her. Elsewhere, Capt. Renard continues to support a candidate for mayor. Meanwhile, Nick is shown the scope of the Wesen uprising as the secret government agency takes him into the heart of their Portland operations center.

Nick faces off against his greatest foe yet as it seems no weapon can defeat him. At the Spice Shop, Monroe, Rosalee and Eve search for answers and stumble upon a rare potion that may help the fight. Elsewhere, Capt. Renard and Adalind try to keep Diana and baby Kelly safe as the threat has its eyes set on the children.