Can a corpse be liquefied?
That was the case of the week on Grimm Season 5 Episode 18 and it was pretty grim.
Nick had to investigate a Wesen with a terrifying appetite in order to crack the case, but did he go one step too far when he came face-to-face with the perpetrator?
Elsewhere on this addictive drama, Hank reconnected with an old flame, but it was clear she was hiding something from him.
Use the video above to watch Grimm online to get up to speed with the latest.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.