Synopsis: Four years after Sister Irene first encountered the demon Valak and banished her, The Nun has somehow returned and started haunting churches across Europe. This leads her to a boarding school in France where Frenchie , who helped Irene with Valak’s first hauntings, the two have to team up again to try and condemn “the marquis of snakes” back to hell. They are joined by Sister Debra Kate a teacher at the school, and her daughter Sophie to try put this demon to rest.