The film is based on the real-life 1981 trial of , the first American murder case to use demonic possession as a legal defense.

Ed and Lorraine Warren (Patrick Wilson and Vera Farmiga) work to prove Arne's innocence by tracing the origin of the possession.

After a grueling exorcism for young David Glatzel, Arne Johnson (Ruairi O'Connor) invites the demon to enter him instead. While under this influence, he brutally murders his landlord , Bruno Sauls.

The investigation leads them to a sinister "Witch’s Totem" and a shadowy figure known as the Occultist (Eugenie Bondurant), who has cursed the family through satanic rituals. Production Details The Conjuring: The Devil Made Me Do It (2021) - Plot - IMDb

(2021) is a supernatural horror feature that pivots the franchise away from traditional "haunted house" scares toward a detective-style paranormal thriller . Directed by Michael Chaves , the 112-minute film is the third core installment in The Conjuring series and the eighth in its wider cinematic universe. Core Premise & Plot Highlights