4. Lonelyhearts

Complete story — includes the ending

After investigating a strange cluster of female deaths and disappearances, Nick sends Monroe undercover to get a whiff of a hypnotic suspect. The investigation leads them to a bed and breakfast, where the owner is revealed to be a Ziegevolk, a goat creature who can hypnotize people by touch. He has been capturing women after meeting them at local bars, and holding them hostage in his basement. Nick and Monroe track the Ziegevolk, while Hank goes to investigate the bed and breakfast. Nick arrives to help Hank before the Ziegevolk returns, but he knows they're there and takes a woman with him and escapes. Luckily, they had placed a tracking device on his car, and pursue him. They confront him at a nature park and he runs into the road, getting hit by a car. They discuss the horrors of his crimes and how he will be behind bars, but as he is being carted off into the ambulance the EMS woman touchs him and you can see he has her under his spell. 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. Opening quote: " There she paused for a while thinking... but the temptation was so great that she could not conquer it. "