An uncompromising professor pushes boundaries both in magic and in the personal lives of his first-year students. Meanwhile, Julia must decide whether she’s ready to accept help and what that…

Dean helps Jenna, the deputy he met after the Darkness fell, get back home safely and then sets off to help Sam deal with a town infected by a mysterious…

Sam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.