Grimm

Season 1, Episode 4

Episode Title: Lonelyhearts

Air Date: 2011-11-18

Overview:

After investigating a strange cluster of female deaths and disappearances, Nick sends Monroe undercover to get a whiff of a hypnotic suspect. In the meantime, a stranger shows up looking to avenge the death of his friend at the hands of a Grimm, but he'll have to get past Captain Renard.