Leta 1977 paranormalna raziskovalca Ed in Lorraine Warren odpotujeta v severni London, da bi pomagala materi samohranilki Peggy Hodgson, ki je prepričana, da se je v njenem domu naselilo nekaj zlobnega. Ko začne Janet, ena od Peggyjinih štirih otrok, kazati znake demonske obsedenosti, ji Ed in Lorraine skušata pomagati. Toda kmalu tudi sama postaneta tarči zlonamernih duhov.
In 1977, paranormal investigators Ed and Lorraine Warren travel to London, England, where single mother Peggy Hodgson believes that something evil is in her home. When Peggy's youngest daughter starts showing signs of demonic possession, Ed and Lorraine attempt to help the besieged girl, only to find themselves targeted by the malicious spirits.