Profiling eight former members of the Church of Scientology, this investigative documentary shines a light on how the church cultivates true believers, detailing their experiences and what they are willing to do in the name of religion. The heart of the film is a series of shocking revelations by former insiders, including high-ranking and recognizable members such as acclaimed screenwriter Paul Haggis (Crash), as they describe the systematic history of abuse and betrayal by Church officials, including current leadership.