The fifth season of “Grimm” sees Nick and his friends facing new challenges, as a group of Wesen terrorists emerges in Portland and begins to wreak havoc. As Nick and his allies race to stop the terrorists, they also face personal challenges, including the discovery that Juliette has become a powerful hexenbiest, and the return of Nick’s long-lost love interest, Adalind. Meanwhile, the Royals continue their efforts to gain control of Portland and its supernatural population, with Captain Renard playing a pivotal role in their plans. The season culminates in a dramatic showdown between Nick and his allies and the Royals, as Nick finally discovers the truth about his family and his place in the world of the Wesen.