SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
The Last Rite Plot Summary and Synopsis
Based on True Events: Suffering from sleep paralysis, a medical student falls prey to a demonic force that wants to rip her apart from within. Torn between sanity and the unknown, she’s left with no alternative but to contact a local priest for help.
Source: Wikipedia (CC BY-SA 3.0).