Supernatural - Heart Season 2 Episode 17

While investigating the mysterious death of a lawyer who appears to have been mauled to death by an animal, Sam and Dean realize that they may be tracking a werewolf. As they look into the death, Sam becomes attracted to Madison, the victim's secretary, and when it appears that Madison will be the next victim, Sam does all he can to protect her. Dean is able to find a way to track the wild animal down and is shocked by what he finds.