Sam enlists Rowena’s help to track down an old world, powerful family of witches after Dean gets hit by a spell that is rapidly erasing his memory.

Naomi tells Castiel that Crowley is holding an angel captive and Castiel must rescue him before Crowley finds out their secrets. Castiel turns to Dean for help. Meanwhile, Sam meets…

Dean calls a demon to make a deal to save a man named Evan Hudson, in exchange for himself. While making the deal, the demon confronts Dean’s worst nightmare about…