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.
A massive influx of glacial melting triggers a new ice age in the Northern Hemisphere, forcing a family to make their way across the ice-covered landscape before they are frozen out for good.
When Renee's shy teenage daughter Deandra finally makes a friend, Olivia, she is thrilled. After Olivia's initial bossiness turns into emotional abuse, Renee forbids the relationship from continuing, prompting the girls to run away together. Renee embarks on a desperate search for her daughter, before she's gone for good.