When an exorcism goes horribly wrong, it's up to Gerri, Kinsey and Ray to find out who murdered Father Harry, and what the strange symbol left behind at his death really means...Welcome to The Nightshade Case, a series of twenty-one murder mysteries. Please note: this episodic series is based on the television show model, with screenwriting notations and shorter formats. There will be a complete mystery each release, with cliffhangers only occurring in the full season story line.