Ep 17. Heart

In Supernatural season 2 episode 17, titled "Heart," Sam and Dean Winchester investigate a series of gruesome animal attacks in Wisconsin. They soon discover that the attacks are not random, but linked to a woman named Madison who has recently moved to town.

As the brothers delve deeper into the case, they begin to suspect that Madison may be a werewolf. They track her down and attempt to protect her from the hunters who are determined to kill her, including Gordon Walker (Sterling K. Brown), a relentless hunter who believes all supernatural beings are evil and must be eliminated.

Despite their efforts, Madison transforms into a werewolf and attacks her boyfriend. Sam and Dean race to find a cure before it's too late, but they're not the only ones looking for a solution. Gordon and his team are hot on their trail, and they'll stop at nothing to eliminate Madison and anyone who stands in their way.

As the tension builds, Sam and Dean are forced to make a heartbreaking decision that will change their lives forever. The episode is a haunting exploration of love, loss, and the blurred lines between good and evil. It showcases the series' signature blend of horror, humor, and heart and is a standout installment in an already stellar season.