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.

Newly gained artifacts take Nick and Monroe closer to the source of a long-gestating mystery. Elsewhere, Black Claw makes a deadly move that will send Portland into disarray.

Nick and Monroe find a treasure in Germany that has been hidden for centuries. Back in Portland, Capt. Renard joins Hank and Wu to track down a deadly assassin who has thrown Portland into havoc. Little do they know that Eve is on a hunt of her own for the same man. Meanwhile, someone from Rosalee's past tracks her down.