The book follows Kyle Freeman, a guerrilla documentary maker who has been hired to make a film about the Temple of the Last Days. The cult is notorious for a horrific massacre in 1975 and was rumored to have indulged in occult rituals. Its leader, Sister Katherine, was said to have been highly paranoid and lived in the lap of luxury while her followers lived in squalor. Kyle decides that he will focus on the various myths surrounding the group, film the various locations that they have lived, and that he will also try to seek interviews with various people that were involved with the cult to varying extents. However the further Kyle explores the Temple of the Last Days, the more and more bizarre and strange things seem to become.
