No, this title isn't the name of an old Swedish folk band, but rather part of the theme of this episode: King Johan's dealings with religion! The King had been both academically and spiritually interested in religion for a long time, but now it is time for him to make some changes. The problem is, even though he has support from people like Abbey Joe, a lot of the country think the changes are too catholic for their liking.
Oh, and a monster terrorises a lake near Västervik. Maybe...