He realizes that she is a spy and uncovers L. Ron's plot to build a space shuttle between Las Vegas and Mu as a cover for a weapons system.

This became part of the characters' backstory in Spectres of the Spectrum, which prompted the Church of Scientology to send Baldwin a letter detailing their own account of Hubbard's time spent in Pasadena.

[1] Manohla Dargis of The New York Times wrote that the film was "absorbing, confounding, exhausting and altogether stranger and more rib-ticklingly funny than most fiction".

[6] In his review for Slant Magazine, Bill Weber described Mock Up on Mu as "clever-to-a-fault" and "determinedly more obscure" than Baldwin's previous works.

"[8] Dennis Harvey of Variety magazine said that the "visually, sonically and subtextually dense" nature of the film was challenging but that "assimilating its internal logic actually makes repeat viewings more enjoyable.