On this episode of Supernatural…
Charlie brings Sam and Dean the Book of the Damned, but the Styne family is tracking her and trying to get the book.
The book possibly has a way to remove the Mark of Cain, but its powers are calling Dean.
Dean wants to get rid of it.
After the family tracks Charlie to the cabin, a fight breaks out. Sam pretends to toss the book into the fire.
Metatron tricks Castiel and manages to escape along with the demon tablet.
Castle does get his grace back.
The group enjoys a meal together.
Sam brings the book to Rowena, hoping she can help his brother.