This is a photo from "One Night Stand." It's the fourth episode of Grimm Season 3.
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Hank's investigation may lead him to a group of aquatic Wesen on Grimm. "One Night Stand" is the fourth episode of the show's third season.
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Grimm Season 3 Episode 4 Quotes

Haven’t been able to spend the money. Royal assassination causing much turmoil. No longer safe… Must leave now, love you, M.

M

We have to be honest that is butt ugly.

Rosalee