JesusCat (or How I Accidentally Joined a Cult) (2013)

Elle is an amateur documentary filmmaker. Charlotte is the self-proclaimed leader of the religious group, "The Movement for the Second Coming of Jesus Christ through the Seven Prophecies Which Must be Completed in Some Way Before the Evolution of Jesus Back into Man." As Elle documents the rituals of Charlotte and her followers, she struggles to retain her sanity when she realizes that she may have accidentally joined a cult.