The Sacrament is a 2013 American found footage horror thriller film written and directed by Ti West. A. J. Bowen and Joe Swanberg play VICE journalists who document their co-worker's (Kentucker Audley) attempt to locate his sister (Amy Seimetz) after she joins a reclusive religious commune. The film's plot is based on the real-life events of the Jonestown Massacre of 1978.