Rowena returns and tries to recruit and train followers in the art of witchcraft, but Sam & Dean devise a plan to stop her. Meanwhile, Hannah runs into a blast from her vessel's past, which complicates things for her and Castiel. ..More

Sam and Dean investigate a bizarre murder and realize the killer has the same tattoo as those from the Styne family. Meanwhile, Castiel acts as referee when Charlie and Rowena are forced to work together on the Book of the Damned. ..More

Dean decides to take matters into his own hands when it comes to the Stynes; and Sam tries to come to terms with his decision. ..More