Sam (Jared Padalekci) and Dean (Jensen Ackles) discover that Jack Montgomery (guest star Dameon Clark), a family man, is turning into a Rugaru, a creature that starts as a human but changes into a flesh-eating monster.The people who are infected don‘t understand what is happening until they turn into cannibals and eat another person. Understanding what it is like to be a victim of a twisted destiny, Sam believes he can reason with Jack and convince him to control his urges.Dean doesn‘t think Jack‘s animalistic behavior can be subdued and decides the only honorable thing to do is to shoot him.Kim Manners directed the episode written by Cathryn Humphris.Source: CW

Last week‘s episode of Supernatural dove deep into the show‘s mythology to answer all sorts of questions we had been pondering for years.  The biggest shocker was the reveal that Mary came from a family of hunters, and that she basically sold Sam to the Yellow-Eyed Demon to bring John back to life.  Dean also learned that the YED has bigger plans for Sam than making him the leader of a demon army.  Castiel wants Dean to stop his brother from going to the dark side, otherwise the angel will take care of the younger Winchester himself.
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