The Covenant of Saint Catherine isn’t like other covenants. The most obvious difference is that it’s famous throughout the country for its well-trained exorcist nuns. When Sister Joan is give her first exorcist assignment she thinks her life might finally be getting exciting. But after the experienced Sister accompanying her is injured and Joan has to do the assignment alone she wonders if she’ll be able make it out alive much less complete it. This isn’t a normal assignment though. It just might be the best assignment Joan could ask for. A short story from K.M. Shea.