In the third season premiere "The Magnificent Seven," Dean decides to make the best of his final year, indulging in many pleasures and refusing to even think about saving himself, while Sam tries desperately to find a loophole in the Crossroads demon's deal. While searching for escaped demons to send back to Hell, Sam encounters Ruby, a mysterious blonde who assists him but who also informs him that, for some reason, demons are killing all of his mother's old acquaintances. Sam learns that Ruby is a demon, and she promises him help in freeing Dean from his contract. She fixes the colt so that...