Things get out of hand when he kills a bully Eric Banerd in a fit of rage for threatening Kate.
Meanwhile, Sam learns from the only surviving member of the order George Touliatos that the box contains a key to the greatest storehouse of supernatural knowledge ever known.
Eventually, while trying to hunt what she believes is a wolf that killed Carl, Margot, the youngest family member, is killed by the hellhound, and it is discovered that she believed her family would be happy if they struck oil.
However, Sam starts coughing up blood, an indicator that something is seriously wrong with him, which he does not share with his brother.
She also offers Sam and Dean her help if they ever need it.
International lines done away with following the world's end, the characters must attempt to rebuild not only society, but family as well.