Featuring commentary from surviving participants, as well as other filmmakers and critics, this documentary chronicles the career of director John Boorman and the tumultuous production of his film Exorcist II: The Heretic, exploring its critical and commercial failure, how it changed the industry, and the importance of risk-taking in art.

• John Boorman
• Louise Fletcher
• Karyn Kusama
• Mike Flanagan
• Joe Dante
• Simon Abrams
• Linda Blair
• Garrett Brown