A Wesen is set to seek revenge using a traditional Japanese code in "Grimm" season 5 episode 17. Also, a new being is set to unleash terror in Portland in episode 18. But, one thing sets it different from other Wesen - it has a horrible appetite.

Young people's lives are in peril due to an antiquated code of revenge in "Grimm" season 5 episode 17, as per Spoilers Guide. Entitled "Inugami," the episode saw Nick and Hank respond to a case involving the sighting of a severed head of a young man found under the bridge.

In the previous episode, the duo also learned that they are dealing with a Japanese Wesen acting on an ancient vengeance tradition. Also, episode 17 also saw Adalind opt to return to work at her old law firm and encounter Eve.

Meanwhile, "Grimm" season 5 episode 18 is entitled "Good to the Bone." According to Spoilers Guide, the Wesen is capable of turning someone's bones into liquid. As per the publication, a man is found lifeless with all of his bones liquefied and removed, which indicates that the Wesen Nick and Hank are set to deal with is not satisfied with organ meat alone.

The Wesen is not the only one frightful in the "Grimm" episode 18, a fans are also set to see Nick and Hank in the middle of a sickening arrangement in the family while Wu is going to see facing his own terrible crisis.

With all the adverse fate of the characters in episode 18, it seems that Hank is the only one who finds light, as he unites again with his "old flame" named Zuri, as per the publication. However, it is possible to lead to something terrifying, just like the aforementioned scenarios.

"Grimm" season 5 episode 18, "Good to the Bone," is set to air on Apr. 22.