While investigating a job in a small town, Sam and Dean stumble onto a much larger demon plot but their prayers may be answered when an old friend returns.
Following up on the strange deaths in the papers, the trail leads Sam and Dean directly to the demons.
While Kevin Tran, advanced placement student, is quietly studying for his SATs in his room, he is suddenly struck by a bolt of lightning.
It's official, Sam Winchester has officially lost his mind.
Now that the wall in Sam's mind was destroyed, nothing is holding Lucifer back. Deprived of sleep for five days, Sam tries desperately to run away from the devil in his head but this only leads to him getting hit by a car.