Midsomer Murders Series 11 Episode 5: The Magician's Nephew: Barnaby and Jones discover that Midsomer County is home to a secret pagan cult after one of its more prominent members is murdered. Suspicion initially falls on the author of a book alleging that the sect's rituals are merely the product of drink and an overactive imagination. But soon it seems that all of the members of the Magic Circle have something to hide.