Cat and Mouse
Grimm Season 1 Episode 18 (04/20/12)
Rosalee and Monroe hide a murder suspect from a creature bounty hunter. With a little help from Nick they're able to help the suspect Ian get out of Portland.
Meanwhile, Nick learns more about his past from Ian. The Verrat are enforcers hired by the seven royal families, and even the Grimm have aligned themselves with the royal families. The resistance has been trying to loosen the royals power. However, a war is looming.