Ed and Lorraine Warren work to find proof of the demonic presence to support Arne's defense, eventually uncovering a sinister connection to a satanic cult known as the Disciples of the Ram Production & Cast

The film also touches on the theme of trauma and its effects on individuals and families. The Arne family's experience is a testament to the devastating consequences of trauma and the importance of seeking help.

: Unlike the "haunted house" formula of the first two films, this installment plays more like a supernatural procedural/detective thriller .