Once bitten, never the same.
Following up on a lead after a cow was eviscerated, Sam finds himself in a hospital in Wisconsin to see who is responsible for the attack. As it turns out, Dean is already there waiting for Garth to wake up.
After a few kids are viciously murdered in Junction City, Kansas, Garth arrives to take care of business.
When Dean gets an urgent call from Sam to show up at the Little White Chapel in Las Vegas, he's ready for any demon that might be waiting.